CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1961-0017
DISCOVERER 18
DISCOVERER 18 (NORAD 67) came down while still attached to its host on 2 April 1961, after 3 months in orbit.
Official date
NORAD number
67
International designator
1960-018A
Object type
Spacecraft
Country
United States
Launched
7 Dec 1960Vandenberg
Re-entered (UTC)
2 Apr 1961UTC calendar day
Time in orbit
3 months116 days
How it ended
Came down attached to its host
Latitude range
81.5°N to 81.5°SFinal inclination 81.5°
Mass
130 kg
Operator
USAF BMD / CIA
Built by
LMSD/Sunnyvale
Bus
CORONA
Programme
CORONA Early
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 81.5°, allowed a re-entry anywhere between 81.5°N and 81.5°S.
Life in orbit
3 monthsDISCOVERER 18’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Apr 1961
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1961-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1961-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.