Mission description
Lauched: 7 December 2001
Data available: 15 January 2002 -> 03 march 2012
Altitude: 1336 km
Repeat Time: 9.916 days
(the satellite passes vertically over the same location, to within +/-1 km) every 10 days)
Distance between groundtracks: 315 km at the equator
The groundtracks converge at higher latitudes.
Alongtrack Resolution: 7 km for sea level studies, 700 m for other applications.
Orbit changed on 02/2009 (interlaced)
Put on geodetic orbit (at 1324km) on march 2012
A more detailed description of the Jason-1 mission can be found on the AVISO site.
Two orbits are available:
- before 02/2009 : Topex/Poseidon nominal path
- after 02/2009: Topex/Poseidon interlaced path
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