Extended Mission
SMAP
SMAP measures soil moisture and freeze-thaw state, data that improves drought tracking, flood forecasting and climate studies. Its spinning antenna made it visually distinctive in orbit.
Technical specifications
CATEGORY
Earth Science
TYPE
Earth Observation
COUNTRY
United States
OPERATOR
NASA
LAUNCH DATE
Jan 31, 2015
LAUNCH SITE
Vandenberg
ORBIT CLASS
LEO
ALTITUDE · KM
682
ORBITAL PERIOD · MIN
98.4
INCLINATION · DEG
98.13
APOGEE · KM
683
PERIGEE · KM
681
Updated automatically every 30 minutes