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Envisat

The ESA’s Environmental Satellite (EnviSat) is the largest civilian Earth Observation satellite ever built. The mission objectives covered a wide range of disciplines, for both meteorological and climatological studies: EnviSat gathered information on regional and global scale phenomena, strongly contributing to a better understanding of oceans, atmosphere, vegetation, Earth crust, hydrology, and ice processes. EnviSat was launched in March 2002, with a near-circular sun-synchronous orbit of altitude 800 km and a spatial coverage of ±81.45° (inclination 98.55°). The orbit had an exact repeat cycle of 35 days and the same ground track as ERS-2 (within ±1 km) . On May 2012, EnviSat mission was officially declared terminated.


Satellite Parameter

AgencyESA
Launch date2001-12-07
EOL date2013-07-01
Data SourceESA
Data VersionGDR v2.1
InstrumentsAATSR, ASAR, DORIS, GOMOS, LRR, MERIS, MIPAS, MWR, RA-2, SCIAMACHY
Dimensions26 m x 10 m x 5 m
EnvisatESA

Orbit elements

Envisat
Repeat cycle35 days
Semi major axis7159495.65 m
Eccentricity0.001165
Inclination98.5429 °
Start of phase2002-05-14
End of phase2010-10-22
Revolutions501
List of cyclesLink
Envisat (Extended Mission)
Repeat cycle30 days
Semi major axis7142000 m
Eccentricity0.001158
Inclination98.5429 °
Start of phase2010-10-26
End of phase2012-04-08
Revolutions431
List of cyclesLink