CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0404
OPS 7164
OPS 7164 (NORAD 11372) came down while still attached to its host on 26 August 1979, after 2 months in orbit.
Official date
NORAD number
11372
International designator
1979-044A
Object type
Spacecraft
Country
United States
Launched
28 May 1979Vandenberg
Re-entered (UTC)
26 Aug 1979UTC calendar day
Time in orbit
2 months90 days
How it ended
Came down attached to its host
Latitude range
83.6°N to 83.6°SFinal inclination 96.4°
Mass
2,400 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-8
Programme
KH8E
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 96.4°, allowed a re-entry anywhere between 83.6°N and 83.6°S.
Life in orbit
2 monthsOPS 7164’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0404
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0404
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.