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Vanguard II
retired
Earth Observation
LEO
COSPAR 1959 ALP 1
Launched 2/17/1959
Admin Edit
Mission & Launch
Launch Mission
Vanguard II
Launch Vehicle
Vanguard
Launch Date
2/17/1959
Last Contact
3/7/1959
Orbit & Mass
Orbit Class
LEO
Altitude
1,934 km
Inclination
32.88 deg
Dry Mass
10 kg
Total Mass
10 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG
Payload Class
C
Organizations
Operator
NASA
Manufacturer
U.S. Naval Research Lab
Registry
COSPAR ID
1959 ALP 1
UN Registration
A/AC.105/INF.001
Track