CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0057
OPS 1737
OPS 1737 (NORAD 5769) was deorbited in a controlled re-entry on 29 February 1972 over the North Pacific Ocean, after 1 month in orbit.
Controlled re-entryOfficial date
NORAD number
5769
International designator
1972-002A
Object type
Spacecraft
Country
United States
Launched
20 Jan 1972Vandenberg
Re-entered (UTC)
29 Feb 1972UTC calendar dayAlso recorded as 28 Feb 1972
Time in orbit
1 month40 days
How it ended
Deorbited (controlled re-entry)
Latitude range
83.1°N to 83.1°SFinal inclination 96.9°
Mass
6,465 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-9
Programme
Hex I
Where it came down
Recorded positionRecorded position 35.0°N, 169.0°E. Its final orbit, inclined at 96.9°, allowed a re-entry anywhere between 83.1°N and 83.1°S.
Life in orbit
1 monthOPS 1737’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 29 Feb 1972
2 entriesFrom the same launch
1972-002
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0057
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0057
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.