Polaris
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SCE
retired
Technology Demonstration
LEO
COSPAR 1990-031C
Launched 4/11/1990
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Mission & Launch
Launch Mission
USA 56-58 (P87-2)
Launch Vehicle
Atlas E Altair
Launch Date
4/11/1990
Last Contact
4/3/2000
Orbit & Mass
Orbit Class
LEO
Altitude
684 km
Inclination
89.82 deg
Dry Mass
55 kg
Total Mass
55 kg
Payload Classification
Mission Type
Technology Demonstration
Payload Category
TECH
Payload Class
D
Organizations
Operator
U.S. Space Systems Command
Manufacturer
Defense Systems Inc
Registry
COSPAR ID
1990-031C
UN Registration
ST/SG/SER.E/688
Track