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Explorer 9
retired
Science Exploration
LEO
COSPAR 1961 DEL 1
Launched 2/16/1961
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Mission & Launch
Launch Mission
Explorer 9
Launch Vehicle
Scout X-1
Launch Date
2/16/1961
Last Contact
2/16/1961
Orbit & Mass
Orbit Class
LEO
Altitude
1,608 km
Inclination
38.86 deg
Dry Mass
6 kg
Total Mass
6 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
SCI
Payload Class
C
Organizations
Operator
NASA Langley Research Center
Manufacturer
G T Schjeldahl Inc.
Registry
COSPAR ID
1961 DEL 1
UN Registration
A/AC.105/INF.001
Track