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Viking Orbiter 1
retired
Science Exploration
interplanetary
COSPAR 1975-075A
Launched 8/20/1975
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Mission & Launch
Launch Mission
Viking 1
Launch Vehicle
Titan IIIE
Launch Date
8/20/1975
Last Contact
8/7/1980
Orbit & Mass
Orbit Class
interplanetary
Altitude
-25,223 km
Inclination
29.3 deg
Dry Mass
883 kg
Total Mass
2,328 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
PLAN
Payload Class
C
Organizations
Operator
NASA Jet Propulsion Laboratory
Manufacturer
NASA Jet Propulsion Laboratory
Registry
COSPAR ID
1975-075A
UN Registration
A/AC.105/INF.331
Track