HCMM - .
Payload: AEM 1. Mass: 134 kg (295 lb). Nation: USA.
Agency: NASA Greenbelt.
Class: Earth.
Type: Atmosphere satellite. Spacecraft: AEM.
Decay Date: 1981-12-22 . USAF Sat Cat: 10818 . COSPAR: 1978-041A. Apogee: 641 km (398 mi). Perigee: 560 km (340 mi). Inclination: 97.60 deg. Period: 96.70 min. Heat Capacity Mapping Mission; prodeuced thermal maps of atmosphere. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .