Lunar Orbital Platform-Gateway

Artist's concept of Lunar Orbital Platform-Gateway orbiting the Moon. The Orion MPCV is docked on the left.

Station statistics
Crew| 4 (proposed)
Carrier rocket| Space Launch System
Commercial vehicle
Proton-M
Angara

The Lunar Orbital Platform-Gateway (LOP-G) is a planned lunar-orbit space station that will serve as an all-in-one solar-powered communications hub, science laboratory, short-term habitation module, and holding area for rovers and other robots.[1] The science disciplines to be studied on the Gateway are expected to include planetary science, astrophysics, Earth observations, heliophysics, fundamental space biology and human health and performance.[2] The Gateway is designed to be developed, serviced, and utilized in collaboration with commercial and international partners. It will also serve as the staging point for crewed and robotic lunar exploration and a staging point for NASA's proposed Deep Space Transport craft to perform a 300-400 day shakedown mission prior to NASA's first crewed Mars mission.[3] Deep Space Transport is a concept of a reusable vehicle that uses electric and chemical propulsion and would be specifically designed for crewed missions to destinations such as Mars.[4][5]

The development is led by the International Space Station partners: ESA, NASA, Roscosmos, JAXA and CSA for construction in the 2020s.[4][6][7] The International Space Exploration Coordination Group (ISECG), which comprises 14 space agencies participating with NASA, have concluded that LOP-G will be critical in expanding human presence to the Moon, Mars and deeper into the solar system.[8] Formerly known as the Deep Space Gateway, the station was renamed in NASA's proposal for the 2019 United States federal budget.[9][10] The omnibus spending bill passed by Congress in March of 2018 provided NASA with $504 million for the development of LOP-G in fiscal year 2019.[11]

## Contents

* 1 Overview
* 1.1 Studies
* 2 Proposed components
* 3 Surface missions
* 4 Proposed timeline
* 5 Criticisms
* 6 See also
* 7 References
* 8 External links

## Overview

LOP-G advances NASA's goals of sustaining human space exploration and serves as a platform to further cislunar operations, lunar surface access and missions to Mars.

Originally, NASA had intended to build the Gateway as part of the now cancelled Asteroid Redirect Mission.[12][13] An informal joint statement on cooperation between NASA and Roscosmos was announced on 27 September 2017.[7] Traveling to and from cislunar space (lunar orbit) will help gain the knowledge and experience necessary to venture beyond the Moon and into deep space. The LOP-G would be initially placed in a highly elliptical near-rectilinear halo orbit (NRHO) around the Moon which will bring the station within 1,500 km (930 mi) of the lunar surface at closest approach and as far away as 70,000 km (43,000 mi) on a six-day orbit.[14] This orbit would allow lunar expeditions from the Gateway to reach a polar low lunar orbit using 730 m/s of delta-v in half a day and also allow less than 10 m/s of delta-v to be required per year in stationkeeping.[15] The Gateway could conceivably also support in-situ resource utilization (ISRU) development and testing from lunar and asteroid resources.[16] The Gateway would offer the opportunity for gradual buildup of capabilities for more complex missions over time.[17] Various components of the Gateway are to be launched on a commercial launch vehicle and on the Space Launch System as Orion co-manifested payloads on the flights EM-3 through EM-8.[18] According to Roscosmos, they may also use Proton-M and Angara-A5M heavy launchers to fly payloads or crew.[7]

The Power and Propulsion Element (PPE) for the LOP-G will have a mass of 8-9 t and be capable of generating 50 kW[13] of solar electric power for its ion thrusters system for maneuverability, which can be supported by chemical propulsion.[19] NASA stated that the most likely ion engine to be used on the PPE is the 14 kW Hall thruster called Advanced Electric Propulsion System (AEPS) still being developed by Glenn Research Center, the Jet Propulsion Laboratory, and Aerojet Rocketdyne.[20] Four identical AEPS engines would consume the 50 kW generated.[20]

Patrick Troutman serves as the lead for strategic assessments for the Deep Space Transport and the Lunar Orbital Platform-Gateway.[21]

### Studies

On 1 November 2017, NASA commissioned 5 studies lasting four months into affordable ways to develop the Power and Propulsion Element (PPE), hopefully leveraging private companies' plans. These studies had a combined budget of $2.4 million. The companies performing the PPE studies are Boeing, Lockheed Martin, Orbital ATK, Sierra Nevada and Space Systems/Loral.[22][13] These awards are in addition of 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 Lunar Orbital Platform-Gateway as well as other commercial applications,[5] so the LOP-G is likely to incorporate components developed under NextSTEP as well.[13][23]

On 7 November 2017, NASA asked the global science community to submit concepts for scientific studies that could take advantage of the Gateway's location in cislunar space.[2] The Deep Space Gateway Concept Science Workshop was held in Denver, Colorado from February 27th to March 1st 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.[24]

An earlier NASA proposal for a cislunar station had been made public in 2012 and was dubbed the Deep Space Habitat. That proposal had led to funding in 2015 under the NextSTEP program to study the requirements of deep space habitats.[25] In February 2018 it was announced that those NextSTEP studies and other ISS partner studies would help to guide the capabilities required of the Gateway's habitation modules.[26]

NASA has also initiated a Revolutionary Aerospace Systems Concepts Academic Linkage (RASC-AL) competition for universities to develop concepts and capabilities for the Gateway. The competitors are asked to employ original engineering and analysis in one of the following areas:

* Gateway Uncrewed Utilization & Operations
* Gateway-Based Human Lunar Surface Access
* Gateway Logistics as a Science Platform
* Design of a Gateway-Based Cislunar Tug

Teams of undergraduate and graduate students were asked to submit a response by January 17, 2019 addressing one of these four themes. NASA will select 20 teams to continue developing proposed concepts. Fourteen of the teams will be invited to present their projects in person on June 2019 at the RASC-AL Forum in Cocoa Beach, Florida and will receive a $6,000 stipend to participate in the Forum.[1]

## Proposed components

The Gateway will serve as an all-in-one solar-powered communications hub, science laboratory, short-term habitation module, and holding area for rovers and other robots.

The early concept for the LOP-G is still evolving, and may include the following component modules:[27]

* The Power and Propulsion Element (PPE) will be used to generate electricity for the space station and its solar electric propulsion. It is targeting launch on a commercial vehicle in 2022.[28][29]
* The European System Providing Refuelling, Infrastructure and Telecommunications (ESPRIT) module will provide additional xenon and hydrazine capacity, additional communications equipment, and an airlock for science packages.[30] It would have a mass of approximately 4 tons, and a length of 3.91 m.[31]
* The U.S. Utilization Module is a small pressurized space that would enable a crew ingress on the very first mission to the Gateway assembly sequence. It will initially store additional food and will be launched along with ESPRIT on EM-3.[30]
* The International Partner Habitat and the U.S. Habitat are the two habitation modules. These will be launched on EM-4 and EM-5 and together will provide a minimum of 125 m3 of habitable volume to the station.[30]
* The Gateway Logistics Modules will be used to refuel, resupply and provide logistics on board the space station. The first logistics module sent to LOP-G will also arrive with a robotic arm, which will be built by the Canadian Space Agency.[32]
* The Gateway Airlock Module will be used for performing extravehicular activities outside the space station and will be the berth for the Deep Space Transport.

## Surface missions

* HERACLES (Human-Enhanced Robotic Architecture and Capability for Lunar Exploration and Science) is a proposed ESA-JAXA-CSA robotic lander and sample-return mission utilising the station.[33] It involves dispatching a 11,000 kg lunar lander from Earth aboard an Ariane 64[34]: slides 7, 9 and 10 which would land on the Moon before an ascent module returns to the Gateway station. The ascent modules (labelled I on the diagram above) are reusable and would be paired at Gateway with a fresh lander module dispatched from Earth. The rovers would land on the first and fourth lander missions collecting samples and loading them on the ascent module then traversing the hundreds of kilometres between landing sites on the lunar surface to rendezvous and load the next lander.[35] The ascent module would return each time to the Gateway where it would be captured by the Canadian robotic arm and samples transferred to an Orion craft for transport to Earth with returning astronauts while the 2nd and 3rd landings would each have 500 kg payload available for alternate uses. The aim of the project is the development by ESA of a reusable lunar ascent engine, four of which could be clustered to power a wholly reusable crewed or robotic lander in the future, alongside the development of Gateway telecommunication command and control technology. ESA envisages that HERACLES would be subject to ministerial approval in 2019, and could allow a sample-return on the fourth or fifth Orion flight in the 2026-2030 timeframe, generating an early scientific return for the station and robotic surveying of the conditions that will be encountered at future crewed landing sites several years in advance.

## Proposed timeline

Year | Vehicle assembly objective | Mission name | Launch vehicle | Human/robotic elements

|
|
|
|

September 2022 | Start of the Lunar Orbital Platform-Gateway assembly by launching the Power and Propulsion Element (PPE)[36] | TBD | Commercial launch vehicle[28][37] | Uncrewed
2024 | ESPRIT and the U.S. Utilization Module launch and are mated to PPE in a L2 Southern Near Rectilinear Halo Orbit (NRHO)[30] | EM-3 | Space Launch System, Block 1B | Crewed
No Earlier Than 2024 | Delivery of International Partner Habitat[30] | EM-4 | Space Launch System, Block 1B | Crewed
No Earlier Than 2025 | Delivery of U.S. Habitat[30] | EM-5 | Space Launch System, Block 1B | Crewed
No Earlier Than 2024 | Delivery of the first logistics module and the robotic arm[30] | EM-6 | Space Launch System, Block 1B | Crewed
2026 | Orion capsule (crew 4) delivers the Airlock Module to the Gateway | EM-7 | Space Launch System, Block 1B | Crewed
2027 | Deep Space Transport (DST) to the Lunar Gateway[38] | EM-8 | Space Launch System, Block 1B | Uncrewed
2027 | DST checkout mission[38] | EM-9 | Space Launch System, Block 1B | Crewed
2028 | DST Cargo logistics and refuelling[38] | EM-10 | Space Launch System, Block 1B | Uncrewed
2029 | DST one year cruise test (shakedown cruise) in cislunar space[38] | EM-11 | Space Launch System, Block 2 | Crewed
2030 | Cargo DST logistics and refuelling mission[38] | EM-12 | Space Launch System, Block 2 | Uncrewed
2033 | DST cruise for injection into Mars orbit[38] | EM-13 | Space Launch System, Block 2 | Crewed

## Criticisms

The Deep Space Gateway has received numerous criticisms from several space professionals for lacking a proper scientific goal. Former NASA Astronaut Terry Virts, who was a pilot of STS-130 aboard Space Shuttle Endeavour and Commander of the International Space Station on Expedition 43 wrote in an Op-ed on Ars Technica that the Deep Space Gateway would "shackle human exploration, not enable it". Terry stated that there is no concrete human spaceflight goal with the Deep Space Gateway and that he cannot envision a new technology that would be developed or validated by building another modular space station. Terry further criticized NASA for abandoning its safety dictum of separating the crew from the cargo which was put in place following the Space Shuttle Columbia accident in 2003.[39]

Mars Society founder Robert Zubrin, who has been one of the staunchest advocates for a human mission to Mars, called the Deep Space Gateway "NASA's worst plan yet" in an article on the National Review. Robert went on to say "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" and that "there is nothing at all in lunar orbit: nothing to use, nothing to explore, nothing to do". Robert also stated that "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."[40]

Retired aerospace engineer Gerald Black stated that the "LOP-G is useless for supporting human return to the lunar surface and a lunar base." He added that it is not even planned to be used as a rocket fuel depot and that stopping at LOP-G on the way to or from the Moon would serve no useful purpose and it would actually waste rocket fuel.[41]

Pei Zhaoyu, deputy director of the Lunar Exploration and Space Program Center of the China National Space Administration, concludes that, from a cost-benefit standpoint, the gateway would have "lost cost-effectiveness."[42] Pei said the Chinese plan is to focus on a research station on the surface.[43]

## See also

* Commercial Resupply Services
* Deep Space Transport
* Deep Space Habitat
* Exploration Gateway Platform
* International Space Station
* Lunar Orbital Station, a proposed Russian space station
* Mars Base Camp
* Next Space Technologies for Exploration Partnerships
* Orbital Piloted Assembly and Experiment Complex
* Project Prometheus

## References

1. ↑ 1.0 1.1 Jackson, Shanessa (11 September 2018). "Competition Seeks University Concepts for Gateway and Deep Space Exploration Capabilities". NASA. https://www.nasa.gov/feature/competition-seeks-university-concepts-for-gateway-and-deep-space-exploration-capabilities. Retrieved 19 September 2018.
2. ↑ 2.0 2.1 Mahoney, Erin (24 August 2018). "NASA Seeks Ideas for Scientific Activities Near the Moon". NASA. https://www.nasa.gov/feature/nasa-seeks-ideas-for-scientific-activities-near-the-moon. Retrieved 19 September 2018.
3. ↑ Gebhardt, Chris (6 April 2017). "NASA finally sets goals, missions for SLS – eyes multi-step plan to Mars". NASA Spaceflight. https://www.nasaspaceflight.com/2017/04/nasa-goals-missions-sls-eyes-multi-step-mars/. Retrieved 19 September 2018.
4. ↑ 4.0 4.1 Kathryn Hambleton. "Deep Space Gateway to Open Opportunities for Distant Destinations". NASA. https://www.nasa.gov/feature/deep-space-gateway-to-open-opportunities-for-distant-destinations. Retrieved April 5, 2017.
5. ↑ 5.0 5.1 Robyn Gatens, Jason Crusan. "Cislunar Habitation & Environmental Control & Life Support System". NASA. https://www.nasa.gov/sites/default/files/atoms/files/20170329-nacheoc-crusan-gatens-hab-eclss-v5b.pdf. Retrieved March 31, 2017.
6. ↑ ""РОСКОСМОС - NASA. СОВМЕСТНЫЕ ИССЛЕДОВАНИЯ ДАЛЬНЕГО КОСМОСА (ROSCOSMOS - NASA. JOINT RESEARCH OF FAR COSMOS)"". https://www.roscosmos.ru/24136. Retrieved September 29, 2017.
7. ↑ 7.0 7.1 7.2 Weitering, Hanneke (27 September 2017). "NASA and Russia Partner Up for Crewed Deep-Space Missions". Space.com. https://www.space.com/38287-nasa-russia-deep-space-gateway-partnership.html. Retrieved 2017-11-05.
8. ↑ "Gateway Memorandum for the Record". NASA. 2 May 2018. https://www.nasa.gov/sites/default/files/atoms/files/gateway_domestic_and_international_benefits-memo.pdf. Retrieved 19 September 2018.
9. ↑ Davis, Jason (February 26, 2018). "Some snark (and details!) about NASA's proposed lunar space station" (in en-US). The Planetary Society. Archived from the original on February 26, 2018. https://web.archive.org/web/20180226175759/http://www.planetary.org/blogs/jason-davis/2018/20180226-lop-g-snark-details.html. Retrieved February 26, 2018.
10. ↑ Yuhas, Alan (2018-02-12). "Trump's Nasa budget: flying 'Jetson cars' and a return to the moon" (in en). https://www.theguardian.com/science/2018/feb/12/trump-nasa-budget-moon-flying-cars-plans.
11. ↑ Foust, Jeff (June 12, 2018). "Senate bill restores funding for NASA science and technology demonstration missions" (in en-US). Space News. https://spacenews.com/senate-bill-restores-funding-for-nasa-science-and-technology-demonstration-missions/. Retrieved September 16, 2018.
12. ↑ NASA Seeks Information on Developing Deep Space Gateway Module. Jeff Foust, Space. 29 July 2017.
13. ↑ 13.0 13.1 13.2 13.3 NASA issues study contracts for Deep Space Gateway element. Jeff Foust, Space News. 3 November 2017.
14. ↑ [https://www.space.com/41763-nasa-lunar-orbiting-platform-gateway-basics.html Mike Wall, Space.com. 10 September 2018.
15. ↑ Whitley, Ryan; Martinez, Roland (21 October 2015). "Options for Staging Orbits in Cis-Lunar Space". NASA. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150019648.pdf. Retrieved 19 September 2018.
16. ↑ Research Possibilities Beyond Deep Space Gateway. David Smitherman, Debra Needham, Ruthan Lewis. NASA. February 28, 2018.
17. ↑ Human Exploration and Operations Mission Directorate - Architecture Status. (PDF) Jim Free. NASA. 28 March 2017.
18. ↑ Godwin, Curt (April 1, 2017). "NASA's human spaceflight plans come into focus with announcement of Deep Space Gateway". Spaceflight Insider. http://www.spaceflightinsider.com/organizations/nasa/nasa-human-spaceflight-plans-focus-announcement-deep-space-gateway/. Retrieved 2017-04-02.
19. ↑ Chris Gebhardt. "NASA finally sets goals, missions for SLS – eyes multi-step plan to Mars". https://www.nasaspaceflight.com/2017/04/nasa-goals-missions-sls-eyes-multi-step-mars. Retrieved April 9, 2017.
20. ↑ 20.0 20.1 Overview of the Development and Mission Application of the Advanced Electric Propulsion System (AEPS). (PDF). Daniel A. Herman, Todd A. Tofil, Walter Santiago, Hani Kamhawi, James E. Polk, John S. Snyder, Richard R. Hofer, Frank Q. Picha, Jerry Jackson and May Allen. NASA; NASA/TM—2018-219761. 35th International Electric Propulsion Conference. Atlanta, Georgia, October 8–12, 2017. Accessed: 27 July 2018.
21. ↑ NASA Langley Talk to Highlight Sending Humans to the Deep Space Gateway. April 25, 2018.
22. ↑ Jimi Russell. "NASA Selects Studies for Gateway Power and Propulsion Element". https://www.nasa.gov/press-release/nasa-selects-studies-for-gateway-power-and-propulsion-element. Retrieved November 2, 2017.
23. ↑ Erin Mahoney. "NextSTEP Partners Develop Ground Prototypes to Expand our Knowledge of Deep Space Habitats". NASA. https://www.nasa.gov/feature/nextstep-partnerships-develop-ground-prototypes. Retrieved November 6, 2017.
24. ↑ "Program and Presenter Information". Universities Space Research Association. https://www.hou.usra.edu/meetings/deepspace2018/program/. Retrieved 19 September 2018.
25. ↑ Doug Messier on (August 11, 2016). "A Closer Look at NextSTEP-2 Deep Space Habitat Concepts". Parabolic Arc. http://www.parabolicarc.com/2016/08/11/deep-space-habitat-concepts. Retrieved September 19, 2018.
26. ↑ Warner, Cheryl (2 May 2018). "NASA’s Lunar Outpost will Extend Human Presence in Deep Space". NASA. https://www.nasa.gov/feature/nasa-s-lunar-outpost-will-extend-human-presence-in-deep-space. Retrieved 19 September 2018.
27. ↑ Cursan, Jason (March 27, 2018). "Future Human Exploration Planning:Lunar Orbital Platform-Gateway and Science Workshop Findings". https://www.nasa.gov/sites/default/files/atoms/files/20180327-crusan-nac-heoc-v8.pdf.
28. ↑ 28.0 28.1 "NASA FY 2019 Budget Overview". https://www.nasa.gov/sites/default/files/atoms/files/nasa_fy_2019_budget_overview.pdf. Quote: "Supports launch of the Power and PropulsionElement on a commercial launch vehicle as the first component of the LOP - Gateway, (page 14)
29. ↑ NASA considers acquiring more than one gateway propulsion module. Joe Faust, Space News. 30 March 2018.
30. ↑ 30.0 30.1 30.2 30.3 30.4 30.5 30.6 Sloss, Philip (September 11, 2017). "NASA updates Lunar Gateway plans". https://www.nasaspaceflight.com/2018/09/nasa-lunar-gateway-plans/.
31. ↑ ESA develops logistics vehicle for cis-lunar outpost. Anatoly Zak, Russian Space Web. September 8, 2018.
32. ↑ "Canadian Space Agency to build robotic arms for lunar space station" (in en). Global News. https://globalnews.ca/news/3775926/canadian-space-agency-robotic-arms/.
33. ↑ https://www.esa.int/Our_Activities/Human_Spaceflight/Exploration/Landing_on_the_Moon_and_returning_home_Heracles
34. ↑ http://fiso.spiritastro.net/telecon/Landgraf_5-25-16/Landgraf_5-25-16.pdf
35. ↑ https://www.hou.usra.edu/meetings/leag2015/pdf/2039.pdf
36. ↑ Daines, Gary (December 1, 2016). "Crew Will Mark Important Step on Journey to Mars". https://www.nasa.gov/feature/nasa-s-first-flight-with-crew-will-mark-important-step-on-journey-to-mars. Retrieved 2 January 2018.
37. ↑ Status of Power and Propulsion Element (PPE) for Gateway. (PDF) Michele Gates, NASA's NAC HEO Committee Meeting August 27, 2018.
38. ↑ 38.0 38.1 38.2 38.3 38.4 38.5 Finally, some details about how NASA actually plans to get to Mars. Eric Berger, ARS Technica. 28 March 2017.
39. ↑ "Op-ed: The Deep Space Gateway would shackle human exploration, not enable it". Ars Technica. https://arstechnica.com/science/2017/09/op-ed-the-deep-space-gateway-would-shackle-human-exploration-not-enable-it/. Retrieved May 20, 2018.
40. ↑ "NASA’s Worst Plan Yet". National Review. https://www.nationalreview.com/2017/05/nasa-lunar-orbit-space-station-terrible-idea/. Retrieved May 20, 2018.
41. ↑ The Lunar Orbital Platform-Gateway: an unneeded and costly diversion. Gerald Black, The Space Review. 14 May 2018.
42. ↑ Berger, Eric. "Chinese space official seems unimpressed with NASA’s lunar gateway". https://arstechnica.com/science/2018/07/chinese-space-official-seems-unimpressed-with-nasas-lunar-gateway/. Retrieved 17 July 2018.
43. ↑ Kapoglou, Angeliki. "twitter.com/Capoglou". https://twitter.com/Capoglou/status/1018793732626440192. Retrieved 17 July 2018.

## External links

* Deep Space Gateway to Open Opportunities for Distant Destinations \- NASA Journey to Mars
* First human outpost near the Moon \- RussianSpaceWeb page about the Lunar Orbital Platform-Gateway
* History of the Gateway planning

* 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
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* Indian (Chandrayaan)
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* 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

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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