Objectives and Applications
3-year nominal mission life. Global soil moisture and freeze-thaw state mapping.
Full Name
Soil Moisture Active Passive
Mission Status
Operational (extended)
Mission Agencies
Launch Date
31 Jan 2015
Mission Links
EOL Date
Sep 2026
Orbit Type
Sun-synchronous
Orbit Period
98.46 minutes
Orbit Sense
Ascending
Orbit Inclination
98.12 deg
Orbit Altitude
685 km
Orbit Longitude
Orbit LST
18:00
Repeat Cycle
8 days
NORAD Catalog #
International Designator
L-band Radar (SMAP) - L-band Synthetic Aperture Radar (SMAP) |
L-band Radiometer (SMAP) - L-band Radiometer (SMAP) |