Lunar Gateway

Short description: Lunar orbital space station under development

"Gateway (space station)" redirects here. For the Frederick Pohl fictional space station, see Gateway (novel). For other uses, see Gateway (disambiguation) and Gateway Station (disambiguation).

Not to be confused with Exploration Gateway Platform.

Gateway

An illustration of the Gateway's Power and Propulsion Element (PPE) and Habitation and Logistics Outpost (HALO) in orbit around the Moon

Station statistics
Crew| 4 maximum (planned)
Launch| 2027 (planned)[1]
Carrier rocket| Falcon Heavy
SLS Block 1B
Launch pad| Kennedy Space Center Launch Complex 39

* LC-39A
* LC-39B

Mission status| In development
Pressurised volume| ≥125 m3 (4,400 cu ft) (planned)[2]
Periselene altitude| 3,000 km (1,900 mi)[3]
selene|helion||o}}selene altitude| 70,000 km (43,000 mi)
Orbital inclination| Polar near-rectilinear halo orbit (NRHO)
Orbital period| ≈7 days
Days in orbit| 15 years (planned)[4]
Configuration

Configuration as of 16 November 2022

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The Lunar Gateway, or simply Gateway, is a planned space station to be assembled in orbit around the Moon. Developed as part of NASA’s Artemis program, the Gateway is intended to serve as a communications hub, science laboratory, and habitation module for supporting both crewed and robotic lunar exploration.[5] It is designed to be the first space station constructed beyond low Earth orbit and as a staging point for future human missions to Mars.[6]

The project is led by NASA in collaboration with international partners, including the European Space Agency (ESA)[7], the Japan Aerospace Exploration Agency (JAXA)[8], the Canadian Space Agency (CSA)[9], and the Mohammed Bin Rashid Space Centre (MBRSC)[10], with additional participation from commercial partners.

In July 2025, the passage of the One Big Beautiful Bill Act allocated $2.6 billion to fund the program through FY 2032.[11]

## Contents

* 1 Overview
* 2 Name
* 3 History
* 3.1 Background
* 3.2 Studies
* 3.3 International participants
* 3.4 Power and propulsion
* 4 Orbit and operations
* 5 Structure
* 5.1 Planned modules
* 5.2 Proposed modules
* 6 Assembly in lunar orbit
* 6.1 Phase 1
* 7 Criticism
* 7.1 Response from NASA
* 7.2 GAO 2024 Report
* 7.3 Potential cancellation
* 7.4 Possible repurposing
* 8 See also
* 9 References
* 10 External links

## Overview

The Gateway is expected to serve a central role in the Artemis program beginning in the latter half of the 2020s: providing docking ports and communications relays for Orion and lunar landers like Starship HLS, staging for surface missions to the lunar south polar region, and as a platform for crewed transfer. It will also be used to evaluate concepts needed for long-duration deep-space missions.[5][12]

Construction of the station's initial elements, including the Power and Propulsion Element (PPE) and the Habitation and Logistics Outpost (HALO), began in the early 2020s.[13] PPE and HALO are planned to launch together on a Falcon Heavy no earlier than 2027[14], with crewed assembly and first crewed visits expected to be part of Artemis IV, currently targeted for no earlier than September 2028.

## Name

The station was initially announced as the Deep Space Gateway (DSG) in 2017. NASA’s FY 2019 budget request renamed the station as Lunar Orbital Platform-Gateway (LOP-G).[15]

In November 2019, NASA officially designated the station as Gateway. The station’s logo was inspired by the American landmark Gateway Arch in St. Louis.[16]

## History

### Background

The Apollo Command and Service Module was the first crewed lunar orbiting spacecraft performing dockings and crew transfers with another spacecraft, the Apollo Lunar Module. Lunar bases, like the first Tranquility Base as well as concepts for lunar bases have been the main focus of human presence at the Moon.

### Studies

An earlier NASA proposal for a cislunar station had been made public in 2012 and was dubbed the Deep Space Habitat. That proposal led to funding in 2015 under the NextSTEP program to study the requirements of deep space habitats.[17] In February 2018, it was announced that the NextSTEP studies and other ISS partner studies would help to guide the capabilities required of the Gateway's habitation modules.[18] The solar electric Power and Propulsion Element (PPE) of the Gateway was originally a part of the now-canceled Asteroid Redirect Mission.[19][20]

On 7 November 2017, NASA asked the global science community to submit concepts for scientific studies that could take advantage of the Deep Space Gateway's location in cislunar space.[21] The Deep Space Gateway Concept Science Workshop was held in Denver, Colorado, from 27 February to 1 March 2018. This three-day conference was a workshop where 196 presentations were given for possible scientific studies that could be advanced through the use of the Gateway.[22]

In 2018, NASA initiated the Revolutionary Aerospace Systems Concepts Academic Linkage (RASC-AL) competition for universities to develop concepts and capabilities for the Gateway. The competitors were asked to employ original engineering and analysis in one of four areas: "Gateway Uncrewed Utilization and Operations", "Gateway-Based Human Lunar Surface Access", "Gateway Logistics as a Science Platform", and "Design of a Gateway-Based Cislunar Tug". Teams of undergraduate and graduate students were asked to submit a response by 17 January 2019 addressing one of these four themes. NASA selected 20 teams to continue developing proposed concepts. Fourteen of the teams presented their projects in person in June 2019 at the RASC-AL Forum in Cocoa Beach, Florida, receiving a US$6,000 stipend to participate in the Forum.[23] The "Lunar Exploration and Access to Polar Regions", from the University of Puerto Rico at Mayagüez, was the winning concept.[24]

On May 2, 2018, NASA stated the International Space Exploration Coordination Group (ISECG), a non-binding coordination forum comprising 14 (at the time) worldwide space agencies[25], identified the Gateway as a critical component in expanding human presence to the Moon, Mars, and deeper into the Solar System.[26]

### International participants

2012 concept for the Deep Space Habitat, consisting of a cryogenic propulsion stage, an ISS-derived habitat module, and a MPLM

On 27 September 2017, an informal joint statement on cooperation regarding the program between NASA and Russia's Roscosmos was announced.[27] However, in October 2020 Dmitry Rogozin, director general of Roscosmos, said that the program is too "U.S.-centric" for Roscosmos to participate,[28] and in January 2021, Roscosmos announced that it would not participate in the program.[29]

As of January 2024, the Canadian Space Agency (CSA), the European Space Agency (ESA), Japan Aerospace Exploration Agency (JAXA) and Mohammed Bin Rashid Space Centre (MBRSC) plan to participate in the Gateway project, each contributing a robotic arm, refuelling and communications hardware, habitation and research capacity and an airlock module. These international elements are intended to launch after the initial NASA PPE and HALO elements are placed into lunar orbit with some co-manifested with Artemis missions.[30]

### Power and propulsion

Gateway – Power and Propulsion Element

Main article: Astronomy:Power and Propulsion Element

On 1 November 2017, NASA commissioned five studies lasting four months into affordable ways to develop the Power and Propulsion Element (PPE), leveraging private companies' plans. These studies had a combined budget of US$2.4 million. The companies performing the PPE studies were Boeing, Lockheed Martin, Orbital ATK, Sierra Nevada, and Space Systems/Loral.[31][20] These awards are in addition to the ongoing set of NextSTEP-2 awards made in 2016 to study development and make ground prototypes of habitat modules that could be used on the Gateway as well as other commercial applications,[32] so the Gateway is likely to incorporate components developed under NextSTEP as well.[20][33] The PPE will use four 6 kW BHT-6000 Busek Hall-effect thrusters[34][35][36] and three 12 kW NASA/Aerojet Rocketdyne Advanced Electric Propulsion System (AEPS) Hall-effect thrusters for a total engine output fractionally under 50 kW.[37] In 2019, the contract to manufacture the PPE was awarded to Maxar Technologies.[38] After a one-year demonstration period, NASA intended to "exercise a contract option to take over control of the spacecraft".[39] Its expected service time is about 15 years.[40] In late 2023, it was reported that flight qualification testing was occurring on the thrusters for the Power and Propulsion Element.[41]

## Orbit and operations

The Gateway will be deployed in a near-rectilinear halo orbit (NRHO) around the Moon.[42] The eccentricity of the chosen NRHO takes the station within 1,500 km (930 mi) of the lunar north pole surface at closest approach, and as far away as 70,000 km (43,000 mi) over the lunar south pole, with a period of about 7 days.[3][43][44] One of the advantages of an NRHO is the minimal amount of communications blackout with the Earth.

Traveling to and from cislunar space (lunar orbit) is intended to develop the knowledge and experience necessary to venture beyond the Moon and into deep space. The proposed NRHO would allow lunar expeditions from the Gateway to reach a low polar orbit with a Δv of 730 m/s and a half a day of transit time. Orbital station-keeping would require less than 10 m/s of Δv per year, and the orbital inclination could be shifted with a relatively small Δv expenditure, allowing access to most of the lunar surface. Spacecraft launched from Earth would perform a powered flyby of the Moon (Δv ≈ 180 m/s) followed by a Δv ≈ 240 m/s NRHO insertion burn to dock with the Gateway as it approaches the apoapsis point of its orbit. The total travel time would be 5 days; the return to Earth would be similar in terms of trip duration and Δv requirement if the spacecraft spends 11 days at the Gateway. The crewed mission duration of 21 days and Δv ≈ 840 m/s is limited by the capabilities of the Orion life support and propulsion systems.[45]

Gateway will be the first modular space station to be both human-rated, and autonomously operating most of the time in its early years, as well as being the first deep-space station, far from low Earth orbit. This will be enabled by more sophisticated executive control software than on any prior space station, which will monitor and control all systems. The high-level architecture is provided by the Robotics and Intelligence for Human Spaceflight lab at NASA and implemented at NASA facilities. The Gateway could conceivably also support in-situ resource utilization (ISRU) development and testing from lunar and asteroid sources,[46] and would offer the opportunity for a gradual buildup of capabilities for more complex missions over time.[47]

Animation of Lunar Gateway

Around the Earth

Viewed from the Earth

Side view – Earth is left direction.

Lunar Gateway * Earth * Moon

* Near-rectilinear halo orbit (NRHO) in cislunar space, as illustrated by an A.I. Solutions, Inc. using the FreeFlyer software

* Lunar Gateway orbit – trajectory plot over seven days with the view fixed on Moon and Earth

* Lunar Gateway orbit animation – view fixed on Moon and Earth

* Lunar Gateway orbit animation – view from above the lunar north pole with Earth fixed below the frame bottom

## Structure

Lunar Gateway rendering Astronauts Francisco Rubio, Shannon Walker, Raja Chari, and Stephanie Wilson inside of the Gateway mock-up module at the Space Station Processing Facility in the Kennedy Space Center, Florida NASA and Lockheed Martin employees group photo with one of the Gateway modules training mock-up inside the SSPF

For supporting the first crewed mission to the station (Artemis IV) planned for 2028, the Gateway will begin as a minimal space station composed of only two modules: the Power and Propulsion Element (PPE) and the Habitation and Logistics Outpost (HALO). Both PPE and HALO will be assembled on Earth and launched together on a Falcon Heavy rocket in 2027.[1][48] They are expected to reach lunar orbit after nine to ten months.[49] The I-Hab module, a contribution from ESA and JAXA, is to be launched on the SLS Block 1B as a co-manifested payload on the Artemis IV crewed Orion mission.[50] All modules will be connected using the International Docking System Standard.[51]

| | Solar Array| | PPE
propulsion module| | Solar Array| | |

|
|
|
|
|
|
|
|
|

| | | | | | | | | | | | |
| | | | | | | | | | | | |
| | | | Canadarm3
robotic arm| | | Lunar Link
telecommunications| | |
| | | | | | | | | | | | | | |
| | HLS module
docking port| | HALO
logistics and habitat| | Lunar View
observation port
and cargo storage| | GLS ship
docking port| |
| |
| | | | | | | | | | | Fuel storage| |
| | | | | | | | | | | | |
| | DST vehicle
docking port| | I-HAB
logistics and habitat| | Utility docking port| | | | |

| | | | | | | | | | | | |
| | | | Heat radiator| | | Heat radiator| | | |
| | | | | | | | | | | | |
| | | | | | Return shuttle
docking port| | |

### Planned modules

* The Power and Propulsion Element (PPE) started development at the Jet Propulsion Laboratory during the now canceled Asteroid Redirect Mission (ARM). The original concept was a robotic, high-performance solar electric spacecraft that would retrieve a multi-ton boulder from an asteroid and bring it to lunar orbit for study.[52] When ARM was canceled, the solar electric propulsion was repurposed for the Gateway.[53][54] The PPE will allow access to the entire lunar surface and act as a space tug for visiting craft.[38] It will also serve as the command and communications center of the Gateway.[55][56] The PPE is intended to have a launch mass of 5,000 kg (11,000 lb) with propellant accounting for half that mass[57] and the capability to generate 50 kW[20] of solar electric power for its ion thrusters, which can be supplemented by chemical propulsion.[58] In May 2019, Maxar Technologies was contracted by NASA to manufacture this module, which will also supply the station with electrical power and is based on Maxar's 1300 series satellite bus. The PPE will use Busek 6 kW Hall-effect thrusters and NASA Advanced Electric Propulsion System (AEPS) Hall-effect thrusters.[34][35][36] Maxar was awarded a firm-fixed-price contract of US$375 million to build the PPE. NASA is supplying the PPE with an S-band communications system to provide a radio link with nearby vehicles and a passive docking adapter to receive the Gateway's future utilization module.[59] NASA awarded a contract of US$331.8 million to launch PPE on a SpaceX Falcon Heavy in 2027 with the HALO module.[48][60][1]
* The Habitation and Logistics Outpost (HALO),[61][62] also called the Minimal Habitation Module (MHM) and formerly known as the Utilization Module,[63] will be built by Northrop Grumman Innovation Systems (NGIS).[64][65] A single Falcon Heavy will launch HALO in 2027 along with the PPE module.[48][60][1] The HALO is based directly on a Cygnus Cargo resupply module[64][66] to the outside of which radial docking ports, body mounted radiators (BMRs), batteries and communications antennae will be added. The HALO will be a scaled-down habitation module,[67] yet it will feature a functional pressurized volume providing sufficient command, control and data handling capabilities, energy storage and power distribution, thermal control, communications and tracking capabilities, two axial and up to two radial docking ports, stowage volume, environmental control and life support systems to augment the Orion spacecraft and support a crew of four for at least 30 days.[65] The overall HALO mass is expected to be 8–9 tons depending on the final internal layout configuration and launch vehicle lift capability.[68] On 5 June 2020, Northrop Grumman Innovation Systems was awarded a contract, by NASA, of US$187 million to complete the preliminary design of HALO.[69] On 9 July 2021, NASA signed a separate contract with Northrop for the fabrication of HALO, and for integration with the PPE being built by Maxar, for US$935 million.[48] In July 2022, Northrop Grumman awarded Solstar a contract to supply Wi-Fi access for personnel and equipment in the HALO module.[70][71] On 2 April 2024, it was announced that welding was complete on the module and that the next step was for the module to undergo a series of stress tests upon successful completion of which it would be transported to Northrop Grumman's facility in Arizona for final outfitting.[72] In April 2025 HALO arrived in the US.[73]
* Thales Alenia Space Gateway manufacturing team in front of their factories in Cannes, France The European System Providing Refueling, Infrastructure and Telecommunications (ESPRIT) service module will provide additional xenon and hydrazine capacity, additional communications equipment, and an airlock for science packages.[2] It will have a mass of approximately 4,000 kg (8,800 lb), and a length of 3.91 m (12.8 ft).[74] ESA has awarded two parallel design studies, one mostly led by Airbus in partnership with Comex and OHB[75] and one led by Thales Alenia Space.[76] The construction of the module was approved in November 2019.[77][78] On 14 October 2020, Thales Alenia Space announced that they had been selected by the European Space Agency (ESA) to build the ESPRIT module.[79][80] In early 2021, Thales Alenia Space announced effective contract signature.[81] The ESPRIT module will consist of two parts. The first part, called Lunar Link[82] (formerly known as Halo Lunar Communication System – HLCS), will provide the communications for the Gateway. It will launch in 2027 pre-attached to the HALO module, for which Thales has separately been awarded a contract by NASA to construct its hull and micrometeoroid protection. The second part, called Lunar View[83] (formerly known as ESPRIT Refueling Module – ERM), will contain the pressurized fuel tanks, docking ports and small-windowed habitation corridor[79][80] and launch in 2029.[84]
* The Lunar I-HAB[85] (Lunar International Habitation Module) will be an additional habitation module built by ESA in collaboration with Japan.[77] On 14 October 2020, Thales Alenia Space announced that they had been selected by ESA to build the I-HAB module. The module will include contributions from the other station partners, including a life support system from JAXA, avionics and software from NASA and robotics from the Canadian Space Agency (CSA).[79][80] The module is slated to launch in 2028 on the Artemis IV mission as a co-manifested payload on the SLS Block 1B along with a crewed Orion spacecraft.[84] The I-HAB would have a maximum launch mass of 10,000 kg (22,000 lb) and provide a habitable volume of 10 m3 (350 cu ft) (the gross pressurized volume is 35 m3 (1,200 cu ft).[86] In 2019, NASA proposed the addition of a second large U.S. habitation module (to be developed by U.S. industry) in order to increase the station's combined habitable volume to 125 m3 (4,400 cu ft).[2]
* The Canadarm3, a pair of robotic remote manipulator arms, one large and one small, broadly similar to the Space Shuttle Canadarm and International Space Station Canadarm2, and associated dextrous manipulator. The arm is to operate autonomously; however, it is also capable of accepting control from ground stations or from astronauts aboard Gateway.[87] The Canadarm3 is to be the contribution of the Canadian Space Agency (CSA) to this international endeavor. CSA contracted MDA Space to build the arm. MDA previously built Canadarm2, while its former subsidiary, Spar Aerospace, built Canadarm.[88][89][90]
* The Crew and Science Airlock Module will be used for performing extravehicular activities outside the space station and would have the docking port for the proposed Deep Space Transport. It will be built by the UAE's Mohammed bin Rashid Space Centre (MBRSC), and is slated for launch around 2030.[91]

### Proposed modules

(Outdated) artist's concept of Lunar Gateway orbiting the Moon. The Orion MPCV is docked on the left.

The concept for the Gateway is still evolving, and is intended to include the following modules:[92]

* The Gateway Logistics Modules will be used to refuel, resupply and provide logistics on board the space station. The first logistics module sent to the Gateway will also arrive with a robotic arm, which will be built by the Canadian Space Agency (CSA).[93][94]

## Assembly in lunar orbit

Crewed flights to the Gateway are expected to use Orion and SLS, while cargo missions are expected to be done by commercial launch providers. In March 2020, NASA announced SpaceX with its future spacecraft Dragon XL as the first commercial partner to deliver supplies to the Gateway (see Gateway Logistics Services).[95]

### Phase 1

The first two modules (PPE and HALO) will be launched together on a Falcon Heavy rocket no earlier than 2027.[1][96]

Year  | Mission objective  | Mission name  | Launch vehicle  | Human/robotic elements  | Status

|
|
|
|
|

2027[1] | Launch of Power and Propulsion Element (PPE) and Habitation and Logistics Outpost (HALO)  |  | Falcon Heavy | Robotic  | Under development[97]
September 2028[84] | Delivery of Orion MPCV and I-HAB module[50] | Artemis IV | SLS Block 1B  | Crewed  | Under development[98][99][100]
March 2030[101] | Delivery of Orion MPCV and ESPRIT Refueling Module (ERM)[102] | Artemis V | SLS Block 1B  | Crewed  | Under development[103]
March 2031[101] | Delivery of Orion MPCV and Crew and Science Airlock Module | Artemis VI | SLS Block 1B  | Crewed  | Under development[104]
March 2032[101] | (Proposed) Delivery of Orion MPCV and logistics module  | Artemis VII  | SLS Block 1B  | Crewed  | Design phase

## Criticism

NASA officials promote the Gateway as a "reusable command module" that could direct activities on the lunar surface.[105] However, Gateway has received some negative reactions.

Michael D. Griffin, a former NASA administrator, said that the Gateway could be useful only after there are facilities on the Moon producing propellant that could be transported to the Gateway. Griffin thinks that after that is achieved, the Gateway would then serve as a fuel depot.[105] In a written testimony to Congress, Griffin stated that the current architecture requiring staging operations at a Gateway based in a lunar polar near-rectilinear halo orbit (NRHO) with a 6.5-day period was disadvantageous in that immediate return to the Gateway from the lunar surface is possible only on 6.5-day centers and that no early human lunar mission should knowingly accept the risk of stranding a crew, whether on the surface or in lunar orbit, for days at a time.[106]

Clive Neal, a University of Notre Dame geologist and advocate for the lunar exploration program, called the Gateway "a waste of money" and stated that NASA is "not fulfilling space policy by building an orbital space station around the Moon".[107]

Former NASA Associate Administrator Doug Cooke wrote in an article on The Hill stating, "NASA can significantly increase speed, simplicity, cost and probability of mission success by deferring Gateway, leveraging SLS, and reducing critical mission operations". He also wrote, "NASA should launch the lander elements (ascent and descent/transfer) on an SLS Block 1B. If an independent transfer element is required, it can be launched on a commercial launcher".[108]

George Abbey, a former director of NASA's Johnson Space Center, said, "The Gateway is, in essence, building a space station to orbit a natural space station, namely the Moon. [...] If we are going to return to the Moon, we should go directly there, not build a space station to orbit it".[109]

Former NASA astronaut Terry W. Virts, who was a pilot of STS-130 aboard Space Shuttle Endeavour and commander of the ISS on Expedition 43, wrote in an op-ed on Ars Technica that the Gateway would "shackle human exploration, not enable it". He also said, "If we don't have the goal [of Gateway], we are putting the proverbial chicken before the egg by developing 'Gemini' before we know what 'Apollo' will look like. Regardless of a future destination, as someone who lived on the ISS for 200 days, I cannot envision a new technology that would be developed or validated by building another modular space station. Without a specific goal, we're unlikely to ever identify one". Virts further criticized NASA for abandoning its planned goal of separating crew from cargo, which was put in place following the Space Shuttle Columbia disaster in 2003.[110]

Apollo 11 astronaut Buzz Aldrin stated that he is "quite opposed to the Gateway" and that "using the Gateway as a staging area for robotic or human missions to the lunar surface is absurd". Aldrin also questioned the benefit of the idea of sending "a crew to an intermediate point in space, pick up a lander there and go down". Conversely, Aldrin expressed support for Robert Zubrin's Moon Direct concept which involves lunar landers traveling from Earth orbit to the lunar surface and back.[111]

Tom Young, a former director of NASA's Goddard Space Flight Center, stated at a hearing at the House Science committee that NASA's portfolio of human spaceflight programs may now be overloaded. "The plate is really full today ... I personally think that the leadership is going to have to, number one, prioritize, but number two is probably to eliminate some of the things that are currently being done that will interrupt having any opportunity of 2024, or I would say even 2028". He said Artemis could be useful in preparations for later missions to Mars but he did not really see a required role for the Gateway in the lunar program.[112]

Mars Society founder Robert Zubrin called the Gateway "NASA's worst plan yet" in an article in the National Review. He said, "We do not need a lunar-orbiting station to go to the Moon. We do not need such a station to go to Mars. We do not need it to go to near-Earth asteroids. We do not need it to go anywhere. Nor can we accomplish anything in such a station that we cannot do in the Earth-orbiting International Space Station, except to expose human subjects to irradiation – a form of medical research for which a number of Nazi doctors were hanged". Zubrin also stated, "If the goal is to build a Moon base, it should be built on the surface of the Moon. That is where the science is, that is where the shielding material is, and that is where the resources to make propellant and other useful things are to be found".[113]

Eric Berger, senior space editor at Ars Technica, stated in an article that the "Gateway introduces costs and complexity into the Artemis Program at a time when NASA is already contending with a superfluity of both" and that "NASA would gain several benefits from canceling Gateway" including a reduction in energy, or delta-v, needed to carry out lunar missions and a simplified lunar landing. Berger also stated that requiring both Orion and Starship to dock with and undock from the Gateway is needlessly complex. In addition, Berger also called for cancelling the Exploration Upper Stage and replacing it with United Launch Alliance's Centaur V upper stage to further simplify the Artemis Program.[114]

Retired aerospace engineer Gerald Black wrote in an article on The Space Review stating that the Gateway is "useless for supporting human return to the lunar surface and a lunar base". He added that it was not planned to be used as a rocket fuel depot and that stopping at the Gateway on the way to or from the Moon would serve no useful purpose and cost propellant.[115]

Mark Whittington, a contributor to The Hill newspaper and an author of several space exploration studies, stated in an article that the "lunar orbit project doesn't help us get back to the Moon". Whittington also pointed out that a lunar orbiting space station was not used during the Apollo program and that a "reusable lunar lander could be refueled from a depot on the lunar surface and left in a parking orbit between missions without the need for a big, complex space station".[116]

Astrophysicist Ethan Siegel wrote an article in Forbes titled "NASA's Idea For A Space Station In Lunar Orbit Takes Humanity Nowhere". Siegel stated that "Orbiting the Moon represents barely incremental progress; the only scientific 'advantages' to being in lunar orbit as opposed to low Earth orbit are twofold: 1. You're outside of the Van Allen belts. 2. You're closer to the lunar surface", reducing the time delay. His final opinion was that the Gateway is "a great way to spend a great deal of money, advancing science and humanity in no appreciable way".[117]

### Response from NASA

On 10 December 2018, NASA Administrator Jim Bridenstine said at a presentation "There are people who say we need to get there, and we need to get there tomorrow", speaking of a crewed mission to the Moon, countering with "What we're doing here at NASA is following Space Policy Directive 1", speaking of the Gateway and following up with "I would argue that we got there in 1969. That race is over, and we won. The time now is to build a sustainable, reusable architecture. [...] The next time we go to the Moon, we're going to have American boots on the Moon with the American flag on their shoulders, and they're going to be standing side-by-side with our international partners who have never been to the Moon before".[118]

Dan Hartman, the program manager for Gateway, on 30 March 2020, told Ars Technica that the benefits of using Gateway are extending the mission duration, buying down risk, providing research capability and the capability to re-use ascent modules.

> When you go single, I'll say direct mission to the Moon, you're limited on the supplies, either with the Lander or with Orion. With the Gateway, with just with one logistics module, we think we can extend to about twice the mission duration, so 30 days to 60 days. Obviously, the more crew time you have in lunar orbit helps us with research in the human aspects of living in deep space. The more duration we have, certainly that'll help us buy down significant risk with the extreme environments that we're going to be subjecting our crews to. Because we've got to go figure out how to operate in deep space. Obviously we'll demonstrate new hardware and offer that sustainable flexible path for our Lunar Lander system. With the Gateway, the thinking is we'll be able to reuse the ascent modules potentially multiple times. And again, if we can get mission duration beyond the 30 days, it's going to offer us some additional environmental capabilities. We think it's a tremendous risk buy down asset, not only to explore the Moon sustainably, but to prove out some things that we need to do to get to Mars.[119]

### GAO 2024 Report

On 31 July 2024, the United States Government Accountability Office found that the Gateway has run into numerous technical problems which have yet to be addressed by NASA. One problem was related to the PPE's ability to keep the Gateway integrated stack in the right orbit and pointing in the right direction when large, heavier vehicles are docked with the Gateway. The report found that although the Gateway is meeting the performance requirements for stack controllability that NASA set for it, those requirements do not account for the mass of some visiting vehicles that plan to dock with the Gateway. The mass of the lunar lander Starship is approximately 18 times greater than the value NASA used to develop the PPE's controllability parameters. Another major problem was that the co-manifested vehicle mass or CMV of the PPE and HALO are both exceeding their mass allocations. The report stated that if NASA cannot reduce the mass, it could affect the Gateway's ability to reach the correct lunar orbit. The report also stated that late design changes to reduce their mass could result in cost growth or schedule delay. Another risk was found related to several defects on a network chip—which affects multiple Gateway components, including the HALO's flight computer and power distribution system which could lead to the Gateway's flight computers to unexpectedly restart and result in loss of control of the Gateway. The proposed 15-year lifespan is also considered to be too short to properly support a crewed mission to Mars.[120][121]

### Potential cancellation

On May 2, 2025, the second Trump administration released its fiscal year 2026 budget proposal, which proposed canceling the Lunar Gateway program, citing escalating costs, more cost-effective commercial alternatives and shifting priorities.[122] The proposal included language about the opportunity to repurpose already produced components for use in other missions.[123]

On July 4, 2025, President Donald Trump signed the One Big Beautiful Bill Act into law, which included a provision that allocated $2.6 billion to fund the program, and requiring at least $750 million of the total be spent annually from FY 2026 through FY 2028.[124]

### Possible repurposing

During his first nomination process for NASA Administrator in early 2025, Jared Isaacman authored an internal policy blueprint titled "Project Athena", a 62-page document that later leaked to major news outlets.[125] Parts of the document reportedly explores repurposing of elements of the Lunar Gateway (such as modules or propulsion-related hardware) for a nuclear-powered tug vehicle, though did not explicitly mandate it.[126] Neither Isaacman nor NASA have publicly endorsed this concept.

## See also

* CAPSTONE (spacecraft)
* Commercial Resupply Services
* Exploration Gateway Platform
* Moonbase
* Lunar cycler
* Orbital Piloted Assembly and Experiment Complex
* Project Prometheus
* Mars Base Camp
* Mars Piloted Orbital Station
* Starship HLS
* International Lunar Research Station

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "Artemis Programs: NASA Should Document and Communicate Plans to Address Gateway's Mass Risk". GAO. 31 July 2024. https://gao.gov/products/gao-24-106878.
2. ↑ 2.0 2.1 2.2 Sloss, Philip (September 11, 2018). "NASA updates lunar Gateway plans". NASASpaceFlight.com. https://www.nasaspaceflight.com/2018/09/nasa-lunar-gateway-plans/.
3. ↑ 3.0 3.1 Angelic halo orbit chosen for humankind's first lunar outpost. European Space Agency, Published by PhysOrg, 19 July 2019
4. ↑ R. G. Lee et al. (2023). "Development of a comprehensive physics-based model for study of NASA gateway lunar dust contamination". Acta Astronautica 210: 616–626. doi:10.1016/j.actaastro.2023.05.025. Bibcode: 2023AcAau.210..616L. https://ntrs.nasa.gov/api/citations/20210026411/downloads/Lunar%20Dust%20Model%20Abstract%20IAC%2073%202022%20FINAL%20-%2012.15.21_ScanCopy.pdf.
5. ↑ 5.0 5.1 "Gateway Space Station - NASA" (in en-US). 2023-06-12. https://www.nasa.gov/reference/gateway-about/.
6. ↑ "About Gateway Deep Space Logistics - NASA" (in en-US). https://www.nasa.gov/gateway-deep-space-logistics/about-gateway-deep-space-logistics/.
7. ↑ "Gateway" (in en). https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Exploration/Gateway.
8. ↑ "NASA, Japan Announce Gateway Contributions, Space Station Extension - NASA" (in en-US). https://www.nasa.gov/news-release/nasa-japan-announce-gateway-contributions-space-station-extension/.
9. ↑ Agency, Canadian Space (2024-06-27). "Canada begins detailed design, construction and testing of Canadarm3 for Gateway". https://www.canada.ca/en/space-agency/news/2024/06/canada-begins-detailed-design-construction-and-testing-of-canadarm3-for-gateway.html.
10. ↑ "Thales Alenia Space signs a contract with Mohammed Bin Rashid Space Centre to develop the Emirates Airlock Module, a critical element of Lunar Gateway | Thales Alenia Space" (in en). 2025-02-04. https://www.thalesaleniaspace.com/en/press-releases/thales-alenia-space-signs-contract-mohammed-bin-rashid-space-centre-develop-emirates.
11. ↑ "One Big Beautiful Bill Act". Public Law 119–21. 119th United States Congress. July 4, 2025. 139 Stat. 134 (SEC. 40005, appropriations for Gateway). https://www.congress.gov/bill/119th-congress/house-bill/1/text/pl.
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117. ↑ Siegel, Ethan. "NASA's Idea For A Space Station In Lunar Orbit Takes Humanity Nowhere". Forbes. https://www.forbes.com/sites/startswithabang/2017/05/18/nasas-idea-for-a-space-station-in-lunar-orbit-takes-humanity-nowhere/#221e7593d145.
118. ↑ Foust, Jeff (15 December 2018). "Is the Gateway the right way to the moon?". https://spacenews.com/is-the-gateway-the-right-way-to-the-moon/.
119. ↑ "NASA officials outline plans for building a lunar Gateway in the mid-2020s". 2020-03-30. https://arstechnica.com/science/2020/03/nasa-officials-outline-plans-for-building-a-lunar-gateway-in-the-mid-2020s/.
120. ↑ "NASA's Lunar Gateway has a big visiting vehicles problem". 2024-08-01. https://arstechnica.com/space/2024/08/nasas-lunar-gateway-has-a-big-visiting-vehicles-problem/.
121. ↑ "Artemis Programs: NASA Should Document and Communicate Plans to Address Gateway's Mass Risk". Government Accountability Office. 31 July 2024. https://www.gao.gov/assets/gao-24-106878.pdf.
122. ↑ Dooren, Jennifer M.; Stevens, Bethany (2 May 2025). "President Trump's FY26 Budget Revitalizes Human Space Exploration" (Press release). NASA. Retrieved 2 May 2025.
123. ↑ "Fiscal Year 2026 Discretionary Budget Request". 2 May 2025. p. 37. https://www.whitehouse.gov/wp-content/uploads/2025/05/Fiscal-Year-2026-Discretionary-Budget-Request.pdf.
124. ↑ "One Big Beautiful Bill Act". 119th United States Congress. July 4, 2025. 139 Stat. 134 (SEC. 40005, appropriations for Gateway). https://www.congress.gov/bill/119th-congress/house-bill/1/text/pl.
125. ↑ Wattles, Jackie (2025-11-10). "A plan written by Trump’s NASA pick was leaked. Here’s what to know about ‘Project Athena’" (in en). https://www.cnn.com/2025/11/10/science/nasa-jared-isaacman-project-athena.
126. ↑ "A confidential manifesto lays out Isaacman's sweeping new vision for NASA" (in en). 2025-11-03. https://www.politico.com/news/2025/11/03/jared-isaacman-confidential-manifesto-nasa-00633858.

## External links

* Deep Space Gateway to Open Opportunities for Distant Destinations – NASA Moon to Mars
* First human outpost near the Moon – RussianSpaceWeb page about the Gateway
* History of the Gateway planning

* v
* t
* e

NASA

Policy and history|

| History|

* NACA (1915)
* National Aeronautics and Space Act (1958)
* Space Task Group (1958)
* Paine (1986)
* Rogers (1986)
* Ride (1987)
* Space Exploration Initiative (1989)
* Augustine (1990)
* U.S. National Space Policy (1996)
* CFUSAI (2002)
* CAIB (2003)
* Vision for Space Exploration (2004)
* Aldridge (2004)
* Augustine (2009)

|

General|

* Space Race
* Administrator and Deputy Administrator
* Chief Scientist
* Astronaut Corps
* Ranks and positions
* Chief
* Budget
* Spin-off technologies
* NASA TV
* NASA Social
* Launch Services Program
* Mercury Control Center
* Kennedy Space Center
* Vehicle Assembly Building
* Launch Complex 39
* Launch Control Center
* Operations and Checkout Building
* Johnson Space Center
* Mission Control
* Lunar Sample Laboratory

Robotic programs|

| Past|

* Hitchhiker
* Mariner
* Mariner Mark II
* MESUR
* Mars Surveyor '98
* New Millennium
* Lunar Orbiter
* Pioneer
* Planetary Observer
* Ranger
* Surveyor
* Viking
* Project Prometheus
* Mars Scout
* Mars Exploration Rover

|

Current|

* Living With a Star
* Lunar Precursor Robotic Program
* Earth Observing System
* Great Observatories program
* Explorer
* Small explorer
* Voyager
* Discovery
* New Frontiers
* Solar Terrestrial Probes
* Commercial Lunar Payload Services

Human spaceflight
programs|

| Past|

* X-15 (suborbital)
* Mercury
* Gemini
* Apollo
* Apollo–Soyuz Test Project (with the Soviet space program)
* Skylab
* Space Shuttle
* Shuttle–Mir (with Roscosmos State Corporation)
* Constellation

|

Current|

* International Space Station
* Commercial Orbital Transportation Services
* Commercial Crew Development
* Orion
* Artemis
* Lunar Gateway

Individual featured
missions
(human and robotic)|

| Past|

* COBE
* Mercury 3
* Mercury-Atlas 6
* Magellan
* Pioneer 10
* Pioneer 11
* Galileo
* GALEX
* GRAIL
* WMAP
* Space Shuttle
* Sojourner rover
* Spirit rover
* LADEE
* MESSENGER
* Aquarius
* Cassini
* Dawn
* Kepler space telescope
* Opportunity rover
* RHESSI
* observed

|

Currently
operating|

* Mars Reconnaissance Orbiter
* 2001 Mars Odyssey
* New Horizons
* International Space Station
* Hubble Space Telescope
* Spitzer
* Swift
* THEMIS
* Mars Exploration Rover
* Curiosity rover
* timeline
* InSight
* GOES 14
* Lunar Reconnaissance Orbiter
* GOES 15
* Van Allen Probes
* Solar Dynamics Observatory
* Juno
* Mars Science Laboratory
* timeline
* NuSTAR
* Voyager 1
* Voyager 2
* WISE
* MAVEN
* MMS
* OSIRIS-REx
* Transiting Exoplanet Survey Satellite

Future|

* Joint Polar Satellite System
* James Webb Space Telescope
* Wide Field Infrared Survey Telescope
* Mars 2020
* NISAR
* Europa Clipper

Communications
and navigation|

* Near Earth Network
* Space Network
* Deep Space Network (Goldstone
* Madrid
* Canberra
* Space Flight Operations Facility)
* Deep Space Atomic Clock

NASA lists|

* Astronauts
* by name
* by year
* Gemini astronauts
* Apollo astronauts
* List of NASA aircraft
* List of NASA missions
* uncrewed missions
* List of NASA contractors
* List of United States rockets
* List of NASA cancellations
* List of Space Shuttle missions
* crews
* List of NASA cameras on spacecraft

NASA images
and artwork|

* Earthrise
* The Blue Marble
* Family Portrait
* Pale Blue Dot
* Pillars of Creation
* Mystic Mountain
* Solar System Family Portrait
* The Day the Earth Smiled
* Fallen Astronaut
* Lunar plaques
* Pioneer plaques
* Voyager Golden Record
* Apollo 11 goodwill messages
* NASA insignia
* Gemini and Apollo medallions
* Mission patches

Related|

* Apollo 15 postal covers incident
* Space Mirror Memorial
* The Astronaut Monument
* U.S. Astronaut Hall of Fame
* Space program on U.S. stamps
* Apollo 17 Moon mice
* Other primates in space
* NASA spinoff technologies

* Category

Template:Maxar Technologies

* v
* t
* e

Space stations and habitats

Current|

* International Space Station (ISS)

Past|

| Soviet Union
and Russia|

* Salyut
* Salyut 1
* DOS-2†
* Salyut 2† ‡
* Cosmos 557†
* Salyut 3‡
* Salyut 4
* Salyut 5‡
* Salyut 6
* Salyut 7
* Mir

|

United States|

* OPS 0855°
* Skylab
* Genesis I° and II° (private, Bigelow Aerospace)

China|

* Tiangong program
* Tiangong-1
* Tiangong-2

Canceled|

| Individual projects|

* Manned Orbiting Laboratory
* Skylab B
* Galaxy
* Sundancer
* Almaz commercial
* Tiangong-3
* OPSEK

|

Incorporated into ISS|

* Space Station Freedom
* USOS
* Columbus MTFF
* Mir-2
* ROS

In development|

| China|

* Chinese large modular space station

|

Private|

* Bigelow Commercial Space Station

International|

* Lunar Gateway

Concepts|

* Aurora Station
* Bernal sphere
* Bishop Ring
* Deep Space Habitat
* Exploration Gateway Platform
* Industrial Space Facility
* McKendree cylinder
* Nautilus-X
* O'Neill cylinder
* Orbital Technologies Commercial Space Station
* Rotating wheel
* Wet workshop
* Space habitat
* Stanford torus
* Skylab II (FlexCraft)
* Lunar Orbital Station

Related|

* List of space stations
* List of films featuring space stations
* Space stations and habitats in fiction
* Space Station 3D (2002 documentary)
* A Beautiful Planet (2016 documentary)

Notes: † Never inhabited due to launch or on-orbit failure, ‡ Part of the Almaz military program, ° Never inhabited, lacks docking mechanism.

* v
* t
* e

Spacecraft missions to the Moon

Exploration
programs|

* American
* Apollo
* Artemis
* Commercial Lunar Payload Services
* Lunar Orbiter
* Lunar Precursor
* Pioneer
* Ranger
* Surveyor
* Chinese (Chang'e)
* Indian (Chandrayaan)
* Japanese
* Russian
* Luna-Glob
* Soviet
* Crewed
* Luna
* Lunokhod
* Zond

Active
missions|

| Orbiters|

* ARTEMIS
* Chang'e 5-T1 (service module)
* Lunar Reconnaissance Orbiter
* Queqiao (relay satellite at L2)
* Chandrayaan-2

|

Landers|

* Chang'e 3
* Chang'e 4

Rovers|

* Yutu-2

Past
missions|

| Crewed landings|

* Apollo 11
* 12
* 14
* 15
* 16
* 17
* (List of Apollo astronauts)

|

Orbiters|

* Apollo 8
* 10
* Apollo Lunar Module
* Chang'e 1
* 2
* Chandrayaan-1
* Clementine
* Explorer 35
* 49
* GRAIL
* Hiten
* LADEE
* Longjiang-2
* Luna 10
* 11
* 12
* 14
* 19
* 22
* Lunar Orbiter 1
* 2
* 3
* 4
* 5
* Lunar Prospector
* PFS-1
* PFS-2
* SMART-1
* SELENE (Kaguya, Okina, Ouna)

Impactors|

* LCROSS
* Luna 2
* Moon Impact Probe
* Ranger 4
* 6
* 7
* 8
* 9

Landers|

* Apollo Lunar Module ×6
* Luna 9
* 13
* 16
* 17
* 20
* 21
* 23
* 24
* Surveyor 1
* 3
* 5
* 6
* 7

Rovers|

* Lunar Roving Vehicle
* Apollo 15
* 16
* 17
* Lunokhod 1
* 2
* Yutu

Sample return|

* Apollo 11
* 12
* 14
* 15
* 16
* 17
* Luna 16
* 20
* 24

Failed landings|

* Surveyor 2
* 4
* Luna 5
* 7
* 8
* 15
* 18
* Beresheet
* Vikram / Pragyan

Flybys|

* 4M
* Apollo 13
* AsiaSat-3 / HGS-1
* Chang'e 5-T1 / Xiaofei
* Geotail
* ICE
* Longjiang-1
* Luna 1
* 3
* 4
* 6
* Mariner 10
* Nozomi
* Pioneer 4
* Ranger 5
* STEREO
* TESS
* WMAP
* WIND
* Zond 3
* 5
* 6
* 7
* 8
* PAS-22

Planned
missions|

| Artemis|

* Artemis 1 (2020)
* ArgoMoon
* BioSentinel
* Cislunar Explorers
* CU-E3
* CuSP
* EQUULEUS
* LunaH-Map
* Lunar Flashlight
* Lunar IceCube
* NEA Scout
* OMOTENASHI
* SkyFire
* Team Miles
* Artemis 2 (2022)
* Artemis 3 (2024)
* Artemis 4 (2025)
* Artemis 5 (2026)
* Artemis 6 (2027)
* Artemis 7 (2028)
* Artemis 8 (2028)

|

CLPS|

* CAPSTONE (December 2020)
* Nova-C (2021)
* Peregrine M1 (Jul 2021)
* VIPER (2022)

Luna-Glob|

* Luna 25 (2021)
* Luna 26 (2024)
* Luna 27 (2025)
* Luna 28 (2027)
* Luna 29 (2028)
* Luna 30 (2028)
* Luna 31 (2028)

CLEP|

* Chang'e 5 (mid-2020)
* Chang'e 6 (2023–2024)
* Chang'e 7 (2023)
* Chang'e 8 (2027)

Others|

* Moon Express Lunar Scout (Jul 2020)
* International Lunar Observatory
* MoonLIGHT
* ALINA (2021)
* CubeRover
* Uni
* Hakuto-R M1 (Oct 2021)
* MoonRanger (2022)
* SLIM (Jan 2022)
* KPLO (Jul 2022)
* DESTINY+ (2022)
* Hakuto-R M2 (Mar 2023)
* #dearMoon project (2023)

Proposed
missions|

| Robotic|

* Chandrayaan-3 (November 2020)
* Lunar Polar Exploration Mission (2024)
* Artemis-7
* Blue Moon
* BOLAS
* Garatéa-L
* ISOCHRON
* Lunar Pathfinder
* McCandless
* Moon Diver
* XL-1

|

Crewed|

* DSE-Alpha
* Lunar Gateway (Lockheed Martin Lunar Lander)
* Lunar Orbital Station

Cancelled /
concepts|

* Altair
* Baden-Württemberg 1
* European Lunar Explorer
* International Lunar Network
* LEO
* LK
* Lunar-A
* Lunar Lander
* Lunar Mission One
* Lunar Observer
* Lunokhod 3
* MoonLITE
* MoonRise
* Prospector
* Resource Prospector
* SELENE-2
* Ukrselena

See also|

* Colonization of the Moon
* Google Lunar X Prize
* List of lunar probes
* List of missions to the Moon
* List of artificial objects on the Moon
* Lunar resources
* Apollo 17 Moon mice
* Moon landing conspiracy theories
* Apollo 11 anniversaries
* List of crewed lunar lander designs

* Missions are ordered by launch date. Crewed missions are in italics.

* v
* t
* e

Artemis program

* List of missions
* Commercial Lunar Payload Services
* Exploration Ground Systems

Facilities|

* Cape Canaveral
* SLC-37B
* SLC-40
* SLC-41
* SLC-46
* Kennedy Space Center
* LC-39A
* LC-39B
* Mission Control Center
* Vandenberg
* SLC-3E
* SLC-4E
* White Sands

Launch vehicles|

* Atlas V
* Delta IV Heavy
* Falcon 9
* Block 5
* Heavy
* New Glenn
* Space Launch System
* Block 1
* Block 1B

Spacecraft|

* CAPSTONE
* HERACLES
* Human Landing System
* Lunar Gateway
* Nova-C
* Orion
* Peregrine

Planned flights|

| Uncrewed|

* Artemis 1 (2020)
* Peregrine Mission One (June 2021)
* Nova-C (July 2021)
* VIPER (2022)
* Artemis 8 (2028)

|

Crewed|

* Artemis 2 (2022)
* Artemis 3 (2024)
* Artemis 4 (2025)
* Artemis 5 (2026)
* Artemis 6 (2027)
* Artemis 7 (2028)

* Future missions indicated in italics.

* v
* t
* e

Future spaceflights

Crewed|

| 2020|

* Soyuz MS-16 (April)
* Soyuz MS-17 (October)
* Shenzhou 12
* Crew Dragon Demo-2
* Boeing Crewed Flight Test
* USCV-1
* USCV-2
* New Shepard (crewed flight test)
* VSS Unity VF02

|

2021|

* Gaganyaan Crewed Flight 1
* Shenzhou 13
* USCV-3

2022|

* Artemis 2

2023+|

* #dearMoon project (2023)
* Artemis 3 (2024)

Robotic|

| 2020|

* AFSPC-7
* ALOS-3
* ALOS-4
* Artemis 1 (November)
* Orion
* Lunar Flashlight
* NEA Scout
* BioSentinel
* SkyFire
* Lunar IceCube
* CuSP
* LunaH-Map
* EQUULEUS
* OMOTENASHI
* ArgoMoon
* Cislunar Explorers
* CU-E3
* Team Miles
* Chandrayaan-3
* Chang'e 5
* GSAT-20
* Hope Mars Mission (July)
* HX-1 (July–August)
* Ingenio
* Inmarsat-6 F1
* JCSAT-17
* Kounotori 9 (May)
* Mars 2020 (July–August)
* MX-1E (July)
* Nauka / European Robotic Arm (December)
* QZS-1R
* RAPIS-2 / Z-Sat / DRUMS / KOSEN-1
* Rosalind Franklin rover and Kazachok lander (July)
* Solar Orbiter (February)
* Space Complex Alpha
* TARANIS

|

2021|

* Aditya-L1
* Astrobotic M1 (June)
* AEM rovers
* Uni
* EXA/AEC lunar orbiter
* B330
* CAPSTONE (December)
* DART / LICIA (June)
* Dream Chaser (September)
* Hakuto-R M1 (October)
* IXPE (April)
* James Webb Space Telescope (March)
* Landsat 9 (January)
* Lucy (October)
* Luna 25 (July)
* Nova-C (July)
* PROBA-3 (Q2)
* PTScientists
* Tianhe
* SES-17
* Space RIDER
* UN/Dream Chaser
* Wentian
* XPoSat

2022|

* Biomass (October)
* DESTINY+
* EarthCARE (June)
* Euclid (June)
* HTV-X1
* JUICE (June)
* KPLO (July)
* MetOp-SG Series A
* NISAR (September)
* Power and Propulsion Element (December)
* Prichal
* Psyche (August)
* PUNCH / TRACERS
* Soyuz GVK-1
* SpaceX Starship (1st Mars departure)
* TEREX-1
* Weather System Follow-on Microwave
* XRISM / SLIM (January)

2023|

* Chang'e 7
* Hakuto-R M2 (March)
* MetOp-SG Series B
* QZS-5
* QZS-6
* QZS-7
* Shukrayaan-1
* SMILE
* SPHEREx

2024+|

* Chang'e 6 (2023 or 2024)
* FLEX
* GOES-U (2024)
* Hera / APEX / Juventas (October 2024)
* IMAP / SWFO-L1 (October 2024)
* Luna 26 (2024)
* MMX (September 2024)
* MOM 2 (2024)
* Small-JASMINE (2024)
* ZhengHe (2024)
* Europa Clipper (2025)
* Luna 27 (2025)
* Luna 28 (2025+)
* Spektr-UV (2025)
* Dragonfly (2026)
* PLATO (2026)
* Venera-D (2026 or 2031)
* Chang'e 8 (2027)
* LiteBIRD (2027)
* ARIEL / Comet Interceptor]] (2028)
* ATHENA (2031)
* LISA (2034)

TBA|

* Energia-100
* Europa Lander (2025?)
* KiwiSAT
* Lybid 1
* Nano-JASMINE
* Near-Earth Object Surveillance Mission
* WFIRST (mid-2020s)

Recently
launched|

* Progress MS-13 (6 December)
* Jilin-1 Gaofen-02B (7 December)
* HEAD-2A / 2B (7 December)
* GLONASS-M List of GLONASS satellites

* List of proposed missions to the Moon
* List of proposed space observatories

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