CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1962-0046
DISCOVERER 20
DISCOVERER 20 (NORAD 83) came down while still attached to its host on 28 July 1962, after 1 year, 5 months in orbit.
Official date
NORAD number
83
International designator
1961-005A
Object type
Spacecraft
Country
United States
Launched
17 Feb 1961Vandenberg
Re-entered (UTC)
28 Jul 1962UTC calendar day
Time in orbit
1 year, 5 months526 days
How it ended
Came down attached to its host
Latitude range
80.8°N to 80.8°SFinal inclination 80.8°
Mass
108 kg
Operator
USAF BMD / USA ACE
Built by
LMSD/Sunnyvale
Bus
CORONA ARGON
Programme
CORONA ARGON
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 80.8°, allowed a re-entry anywhere between 80.8°N and 80.8°S.
Life in orbit
1 year, 5 monthsDISCOVERER 20’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1961-005
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1962-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1962-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.