BackForward Satellite: SORCE 

Satellite details
Acronym SORCE
Full name Solar Radiation and Climate Experiment
WIGOS Station Identifier ---
Satellite Description
  • Single flight unit of the SORCE programme.
  • Main mission: solar irradiance monitoring.
Mass at launch Dry mass 290 kg
Power 350 W
Data access link
Data access information
  • Data available from NASA/GSFC.
Orbit Drifting orbit Altitude 640 km
Inclination 40 °


Space agency NASA
Status Inactive
Details on Status
(as available)
  • Battery degraded.  Instruments turned off during orbit night.
Launch 25 Jan 2003 EOL 25 Feb 2020
Last update: 2020-04-12
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on SORCE

Acronym Full name
SIM Spectral Irradiance Monitor
SOLSTICE Solar/Stellar Irradiance Comparison Experiment
TIM Total Irradiance Monitoring
XPS XUV Photometer System
Show instrument status and calibration