PROBA

Short description: Satellite

PROBA-1Names| PROBA, PROBA-1

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Mission type| Experimental, Earth Observation
Operator| ESA
COSPAR ID| 2001-049B
SATCAT no.| 26958
Website| Proba-1 applications
Mission duration| Elapsed: 21 years, 21 days
Spacecraft properties
Bus| PROBA
Manufacturer| QinetiQ Space (previously Verhaert Space)
Launch mass| 94 kg (207 lb)
Dry mass| 94 kg (207 lb)
Dimensions| 0.6 m × 0.6 m × 0.8 m (2 ft 0 in × 2 ft 0 in × 2 ft 7 in)
Power| 90 W
Start of mission
Launch date| 04:53, 22 October 2001 (UTC) (2001-10-22T04:53Z)
Rocket| PSLV C3
Launch site| Sriharikota FLP
Contractor| ISRO
Orbital parameters
Reference system| Geocentric
Regime| Sun-synchronous
Eccentricity| 0.008866
Perigee altitude| 553 km (344 mi)
Apogee altitude| 677 km (421 mi)
Inclination| 97.9 degrees
Period| 97 minutes
Epoch| 22 October 2001 00:53:00 UTC

PROBA (Project for On-Board Autonomy), renamed PROBA-1, is a Belgian satellite launched atop an Indian Polar Satellite Launch Vehicle by ISRO on 22 October 2001.[1][2] The satellite was funded through the ESA's MicroSat program.[3] This small (60×60×80 cm; 95 kg) boxlike system, with solar panel collectors on its surface, has remarkable image-making qualities. It hosts two Earth Observation instruments dubbed CHRIS and HRC. CHRIS is a hyperspectral system (200 narrow bands) that images at 17 m resolution, while HRC is a monochromatic camera that images visible light at 5 m resolution.[4]

With an initial lifetime of one to two years, the satellite celebrated its 20th year of operations in 2021.[4] On 9 March 2018, it surpassed ERS-2 as ESA's longest operated Earth observation mission of all time.[5]

## Contents

* 1 Series of satellites
* 2 See also
* 3 References
* 4 External links

## Series of satellites

PROBA is also the name of the series of satellites starting with PROBA-1. The name is also used to refer to the bus of the satellites.

The second satellite in the PROBA series, PROBA-2, was launched on 2 November 2009 together with the SMOS satellite.

The third satellite to be launched was PROBA-V (PROBA-Vegetation), on 7 May 2013.

Further planned satellites in the PROBA series include the formation flying demonstration mission PROBA-3 and limb sounder ALTIUS.

## See also

* Miniaturized satellite

## References

1. ↑ Ramakrishnan, S.; Somanath, S.; Balakrishnan, S. S. (January 2002). "Multi-Orbit Mission by PSLV-C3 and Future Launch Opportunities". IAF Abstracts: 936. Bibcode: 2002iaf..confE.936R.
2. ↑ "PSLV-C3". ISRO. 22 October 2001. http://www.isro.org/pslv-c3/pslv-c3.aspx.
3. ↑ "PROBA-1 - Overview". ESA. 11 December 2012. https://www.esa.int/Applications/Observing_the_Earth/Proba-1/Overview.
4. ↑ 4.0 4.1 "Proba-1 Celebrates 20th Birthday In Orbit". ESA. 22 October 2021. https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Shaping_the_Future/Proba-1_Celebrates_20th_Birthday_In_Orbit.
5. ↑ "Proba-1 sets new record". ESA. 8 March 2018. https://www.esa.int/Applications/Observing_the_Earth/Proba-1/Proba-1_sets_new_record.

## External links

* http://earth.esa.int/proba/
* https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-1

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* t
* e

European Space Agency

| Spaceports|

* Guiana Space Centre
* Esrange

|

Launch vehicles|

* Ariane 5
* Ariane 6
* Arianespace Soyuz
* Vega

Facilities|

* Space Operations Centre
* Space Research and Technology Centre
* ESA Centre for Earth Observation
* European Astronaut Centre
* Space Astronomy Centre
* Space Applications and Telecommunications Centre
* Concurrent Design Facility
* Space Telescope European Coordinating Facility

Communications|

* ESTRACK
* European Data Relay System

Programmes|

* Aurora
* ATV
* Copernicus
* Sentinel
* Columbus
* CryoSat
* EGNOS
* GALILEO
* ELIPS
* ExoMars
* FLPP
* Living Planet Programme
* Orion
* Space Situational Awareness Programme
* Science Programme
* Horizon 2000
* Cosmic Vision
* Pride

Predecessors|

* European Launcher Development Organisation
* European Space Research Organisation

Related topics|

* Arianespace
* ESA Television
* EUMETSAT
* European Space Camp
* GEWEX
* Planetary Science Archive

Projects and missions

Science|

| Solar physics|

* ISEE-2 (1977–87)
* Ulysses (1990–2009)
* SOHO (1995–present)
* Cluster II (2000–present)
* Solar Orbiter (2020)
* Lagrange (2020s)

|

Planetary science|

* Giotto (1985–92)
* Huygens (1997–2005)
* SMART-1 (2003–06)
* Mars Express (2003–present)
* Rosetta/Philae (2004–16)
* Venus Express (2005–14)
* ExoMars Trace Gas Orbiter (2016–present)
* BepiColombo (2018–present)
* Rosalind Franklin rover (2020)
* Jupiter Icy Moons Explorer (2022)
* Comet Interceptor (2028)

Astronomy and
cosmology

* Cos-B (1975–82)
* IUE (1978–96)
* EXOSAT (1983–86)
* Hipparcos (1989–93)
* Hubble (1990–present)
* Eureca (1992–93)
* ISO (1995–98)
* XMM-Newton (1999–present)
* INTEGRAL (2002–present)
* CoRoT (2006–13)
* Planck (2009–13)
* Herschel (2009–13)
* Gaia (2013–present)
* CHEOPS (2019)
* James Webb (2021)
* Euclid (2022)
* PLATO (2026)
* ARIEL (2028)
* ATHENA (2031)
* LISA (2034)

Earth observation|

* Copernicus (1988–)
* Meteosat First Generation (1977–97)
* ERS-1 (1991–2000)
* ERS-2 (1995–2011)
* Meteosat Second Generation (2002–present)
* Envisat (2002–12)
* Double Star (2003–07)
* MetOp (2006–present)
* GOCE (2009–13)
* SMOS (2009–present)
* CryoSat-2 (2010–present)
* Swarm (2013–present)
* Sentinel-1 / 1A / 1B (2014–present)
* Sentinel-2 / 2A / 2B (2015–present)
* Sentinel-3 / 3A / 3B (2016–present)
* Sentinel-5 Precursor (2017–present)
* ADM-Aeolus (2018–present)
* Biomass (2022)
* EarthCARE (2022)
* MetOp-SG-A (2022)
* FLEX (2023)
* Meteosat Third Generation (Sentinel-4) (2023)
* MetOp-SG-B (2023)
* SMILE (2023)
* FORUM (2026)

ISS spaceflight|

* ISS contribution (1998–present)
* Columbus (2008–present)
* Jules Verne (2008)
* Cupola (2010–present)
* Johannes Kepler (2011)
* Edoardo Amaldi (2012)
* Albert Einstein (2013)
* Georges Lemaître (2014)
* European Robotic Arm (2020)

Telecommunications|

* GEOS 2 (1978)
* Olympus-1 (1989–93)
* Artemis (2001–present)
* GIOVE-A (2005–present)
* GIOVE-B (2008–present)
* HYLAS-1 (2010–present)
* Galileo IOV (2011–present)
* Galileo FOC (2014–present)
* EGNOS
* European Data Relay System (2016–present)

Technology
demonstrators

* ARD (1998)
* PROBA-1 (2001–present)
* YES2 (2007)
* PROBA-2 (2009–present)
* PROBA-V (2013–present)
* IXV (2015)
* LISA Pathfinder (2015–17)
* OPS-SAT (2019)
* PROBA-3 (2021)
* AIDA (2023)

Cancelled and proposed|

* ALTIUS
* Ariane 5 ME
* Columbus Man-Tended Free Flyer
* CSTS
* Darwin Mission
* Don Quijote
* e.Deorbit
* EChO
* Eddington
* EnVision
* EXPERT
* Hermes
* Hopper
* LOFT
* Luna 27
* Lunar Lander
* Marco Polo
* MarcoPolo-R
* Mars sample return mission
* ODINUS
* SPICA
* STE-QUEST
* THESEUS
* THOR
* XIPE

Failed|

* Cluster
* CryoSat-1
* GEOS 1
* Schiaparelli EDM

Future missions in italics

* Category
* Commons
* Wikinews
* WikiProject

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