THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - SORCE -
Full Name Solar Radiation and Climate Experiment Status Currently being flown
Mission Agencies NASA Launch Date 25 Jan 2003
Mission Links mission site | data access portal EOL Date Oct 2019
EO Portal Info
Orbit Type Inclined, non-sun-synchronous Orbit Period 90 minutes
Orbit Sense Orbit Inclination 40 deg
Orbit Altitude 600 km Orbit Longitude
Orbit LST Repeat Cycle
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.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereRadiation budget SIM, SOLSTICE, TIM, XPS
Mission Instruments
SIM - Spectral Irradiance Monitor
SOLSTICE - SOLar STellar Irradiance Comparison Experiment
TIM - Total Irradiance Monitor
XPS - XUV Photometer System
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