Engineering:PROBA

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PROBA is minisatellite technology demonstration mission in ESA's General Study Program with the objective to address issues of on-board operational autonomy of a generic platform. [1]

Short description: European Space Agency satellites from 2001
PROBA-1
NamesPROBA, PROBA-1
Mission typeExperimental, Earth Observation
OperatorESA
COSPAR ID2001-049B
SATCAT no.26958
WebsiteProba-1 applications
Mission durationElapsed: 22 years, 8 months, 21 days
Spacecraft properties
BusPROBA
ManufacturerQinetiQ Space (previously Verhaert Space)
Launch mass94 kg (207 lb)
Dry mass94 kg (207 lb)
Dimensions0.6 m × 0.6 m × 0.8 m (2 ft 0 in × 2 ft 0 in × 2 ft 7 in)
Power90 W
Start of mission
Launch date04:53, 22 October 2001 (UTC) (2001-10-22T04:53Z)
RocketPSLV C3
Launch siteSriharikota FLP
ContractorISRO
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Eccentricity0.008866
Perigee altitude553 km (344 mi)
Apogee altitude677 km (421 mi)
Inclination97.9 degrees
Period97 minutes
Epoch22 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.[2][3] The satellite was funded through the ESA's MicroSat program.[4] 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.[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]

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

External links