CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0167
OPS 7719
OPS 7719 (NORAD 5772) re-entered Earth’s atmosphere on 17 April 1979, after 7 years, 2 months in orbit.
Official date
NORAD number
5772
International designator
1972-002D
Object type
Spacecraft
Country
United States
Launched
20 Jan 1972Vandenberg
Re-entered (UTC)
17 Apr 1979UTC calendar day
Time in orbit
7 years, 2 months2,644 days
How it ended
Re-entered (natural decay)
Latitude range
83.5°N to 83.5°SFinal inclination 96.5°
Mass
162 kg
Operator
NRO / SAFSP
Built by
LMSC / ESL
Bus
P-11 H
Programme
EHH B
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 96.5°, allowed a re-entry anywhere between 83.5°N and 83.5°S.
Life in orbit
7 years, 2 monthsOPS 7719’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Apr 1979
2 entriesFrom the same launch
1972-002
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0167
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0167
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.