Polaris
Intelligence
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Intelligence
Space & Launch
Ecosystem
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POGS
retired
Science Exploration
LEO
COSPAR 1990-031A
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
4/11/1995
Orbit & Mass
Orbit Class
LEO
Altitude
686 km
Inclination
89.82 deg
Dry Mass
60 kg
Total Mass
60 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
SCI
Payload Class
C
Organizations
Operator
U.S. Space Systems Command
Manufacturer
Defense Systems Inc
Registry
COSPAR ID
1990-031A
UN Registration
ST/SG/SER.E/688
Track