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TOPO I
retired
Earth Observation
LEO
COSPAR 1970-025B
Launched 4/8/1970
Admin Edit
Mission & Launch
Launch Mission
Nimbus 4 Mission
Launch Vehicle
Thorad SLV-2G Agena D
Launch Date
4/8/1970
Last Contact
1/1/1975
Orbit & Mass
Orbit Class
LEO
Altitude
1,087.5 km
Inclination
99.89 deg
Dry Mass
18 kg
Total Mass
18 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
GEOD
Payload Class
D
Organizations
Operator
U.S. Army
Manufacturer
ITT Federal Laboratories
Registry
COSPAR ID
1970-025B
UN Registration
A/AC.105/INF.223
Track