CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0118
OPS 1678
OPS 1678 (NORAD 5888) came down while still attached to its host on 11 April 1972, after 25 days in orbit.
Official date
NORAD number
5888
International designator
1972-016A
Object type
Spacecraft
Country
United States
Launched
17 Mar 1972Vandenberg
Re-entered (UTC)
11 Apr 1972UTC calendar day
Time in orbit
25 days25 days
How it ended
Came down attached to its host
Latitude range
69.1°N to 69.1°SFinal inclination 110.9°
Mass
2,426 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-8
Programme
KH8C
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 110.9°, allowed a re-entry anywhere between 69.1°N and 69.1°S.
Life in orbit
25 daysOPS 1678’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Apr 1972
5 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0118
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0118
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.