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Satellite Fact Sheet
Explorer 39
Atmospheric Density Explorer
, also called ADE C
General
Designation
03337 / 68066A
Launch date
8 Aug 1968
Country of origin
United States
Mission
Scientific:
high atmosphere study
Perigee/Apogee
670/2538 km
Inclination
80.7°
Period
118.3 min
Launch vehicle
Scout #63
Sphere in aluminum (3.65 m diameter, 7 to 9 kg)
End of life
Decay
22 Jun 1981
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