Objectives and Applications
5-year nominal mission life, currently in extended operations. Continues the precise, long-term measurements of total solar irradiance at UV and VNIR wavelengths. Daily measurements of solar UV. Precise measurements of visible solar irradiance for climate studies.
Full Name
Solar Radiation and Climate Experiment
Mission Status
Mission complete
Mission Agencies
Launch Date
25 Jan 2003
Mission Links
EOL Date
25 Feb 2020
Orbit Type
Inclined, non-sun-synchronous
Orbit Period
90 minutes
Orbit Sense
Orbit Inclination
40 deg
Orbit Altitude
600 km
Orbit Longitude
NORAD Catalog #
International Designator
SIM - Spectral Irradiance Monitor |
| SOLSTICE - SOLar STellar Irradiance Comparison Experiment |
| TIM - Total Irradiance Monitor |
| XPS - XUV Photometer System |