0.6 m × 0.6 m × 0.8 m (2 ft 0 in × 2 ft 0 in × 2 ft 7 in)
Power
90W
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 technology demonstration mission 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 and General Study Program with the objective of addressing issues regarding on-board operational autonomy of a generic satellite platform.[3][4] This small (60×60×80 cm; 95 kg) boxlike system, with solar panel collectors on its surface, 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.[5]
With an initial lifetime of one to two years, the satellite celebrated its 20th year of operations in 2021.[5] On 9 March 2018, it surpassed ERS-2 as ESA's longest operated Earth observation mission of all time.[6] ESA aims to deorbit the satellite through the ClearSpace-1 mission in 2026.[7]
^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.
^"PSLV-C3". ISRO. 22 October 2001. Archived from the original on 25 March 2014. Retrieved 25 October 2021.
^"PROBA-1 - Overview". ESA. 11 December 2012. Retrieved 25 October 2021.
^"PROBA-1 (Project for On-Board Autonomy - 1)". www.eoportal.org. Retrieved 2022-12-28.
^ ab"Proba-1 Celebrates 20th Birthday In Orbit". ESA. 22 October 2021. Retrieved 25 October 2021.
^"Proba-1 sets new record". ESA. 8 March 2018. Retrieved 11 March 2018.
^Werner, Debra (24 April 2024). "Major changes approved for ClearSpace-1 mission". SpaceNews. Retrieved 24 April 2024.
Proba may refer to: people Faltonia Betitia Proba, fourth-century Latin poet Anicia Faltonia Proba, her niece and the recipient of letters from Saint Augustine...
PROBA (Project for On-Board Autonomy), renamed PROBA-1, is a Belgian satellite technology demonstration mission launched atop an Indian Polar Satellite...
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proba is a moth of the family Erebidae. Described by William Schaus in 1892, it is found in Mexico and Honduras. Savela, Markku (ed.). "Elysius proba...
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series are: Lude godine (Foolish Years), (1977) Došlo doba da se ljubav proba (The Time has Come to Taste the Love) a.k.a. Lude godine II (Wacky Years...
EUMETSAT are all operated at altitudes of about 800 km (500 mi). The Proba-1, Proba-2 and SMOS spacecraft of European Space Agency are observing the Earth...
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