Names | Explorer 58 HCMM AEM-A Applications Explorer Mission-A |
---|---|
Mission type | Cartography |
Operator | NASA |
COSPAR ID | 1978-041A |
SATCAT no. | 10818 |
Mission duration | 2.4 years (achieved) |
Spacecraft properties | |
Spacecraft | Explorer LVIII |
Spacecraft type | Heat Capacity Mapping Mission |
Bus | Applications Explorer Mission |
Manufacturer | Goddard Space Flight Center |
Launch mass | 117 kg (258 lb) |
Power | Solar panels and batteries |
Start of mission | |
Launch date | 26 April 1978, 10:20 UTC |
Rocket | Scout D-1 (S-201C) |
Launch site | Vandenberg, SLC-5 |
Contractor | Vought |
Entered service | 26 April 1978 |
End of mission | |
Deactivated | 30 September 1980 |
Last contact | 30 September 1980 |
Decay date | 22 December 1981 |
Orbital parameters | |
Reference system | Geocentric orbit[1] |
Regime | Sun-synchronous orbit |
Perigee altitude | 558 km (347 mi) |
Apogee altitude | 646 km (401 mi) |
Inclination | 97.60° |
Period | 96.70 minutes |
Instruments | |
Heat Capacity Mapping Radiometer (HCMR) | |
The Heat Capacity Mapping Mission (HCMM) spacecraft was the first of a series of Applications Explorer Mission (AEM) of the Explorer program.[2]
Trajectory
was invoked but never defined (see the help page).