CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0080
OPS 5300
OPS 5300 (NORAD 5059) came down while still attached to its host on 12 April 1971, after 19 days in orbit.
Official date
NORAD number
5059
International designator
1971-022A
Object type
Spacecraft
Country
United States
Launched
24 Mar 1971Vandenberg
Re-entered (UTC)
12 Apr 1971UTC calendar day
Time in orbit
19 days19 days
How it ended
Came down attached to its host
Latitude range
81.5°N to 81.5°SFinal inclination 81.5°
Mass
345 kg
Operator
NRO / CIA
Built by
LMSC
Bus
CORONA KH-4B
Programme
CORONA CR
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
19 daysOPS 5300’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Apr 1971
4 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0080
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0080
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.