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Payload
EXPLORER 20
active
Payload
LEO
EXPLORER 20 is a United States payload satellite, launched on August 25, 1964 into LEO.
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Launch
Launch date
August 25, 1964 at 01:43 PM UTC
Launch site
Vandenberg SFB, USA
Launched by
Scout X-4 →
Operator
National Aeronautics and Space Administration
Mission
Explorer 20
Launch record
View full launch →
Orbit
Orbit regime
LEO
Apoapsis
993 km
Periapsis
852 km
Inclination
79.9°
Orbital period
103.46 min
Spacecraft
Operator
United States
Launch mass
43.61 kg
Identity
COSPAR (Int'l)
1964-051A
NORAD catalog №
870
Object type
Payload
Owner / operator
United States
Radar cross-section
0.4927 m²
Status
active