UARS Mission

Objectives and Applications

Atmospheric chemistry (middle to upper atmosphere), atmospheric dynamics/water and energy cycles. HALOE, HRDI, MLS, PEM instruments still functioning. End date TBD.

Mission Summary

Full Name
Upper Atmosphere Research Satellite
Mission Status
Mission complete
Mission Agencies
NASA
Launch Date
15 Sep 1991
Mission Links
mission site
EOL Date
14 Dec 2005
EO Portal Info

Orbit Details

Orbit Type
Inclined, non-sun-synchronous
Orbit Period
95.9 minutes
Orbit Sense
N/A
Orbit Inclination
57 deg
Orbit Altitude
585 km
Orbit Longitude
Orbit LST
Repeat Cycle
NORAD Catalog #
21701 (TLE)
International Designator
1991-063B

Mission Instruments

ACRIM II - Active Cavity Radiometer Irradiance Monitor
CLAES - Cryogenic Limb Array Etalon Spectrometer instrument
HALOE - Halogen Occultation Experiment
HRDI - High Resolution Doppler Imager
ISAMS - Improved Stratospheric and Mesospheric Sounder instrument
MLS - Microwave Limb Sounder (UARS)
PEM - Particle Environment Monitor
SOLSTICE - SOLar STellar Irradiance Comparison Experiment
SUSIM (UARS) - Solar Ultraviolet Irradiance Monitor
WINDII - WINDII

Mission Measurements

CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields HALOE, MLS
Atmospheric Winds HRDI
Ozone HALOE, MLS
Radiation budget PEM, SOLSTICE, SUSIM (UARS)
Trace gases (excluding ozone) HALOE, HRDI, MLS
Atmospheric Temperature Fields HALOE, HRDI, MLS, WINDII
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