CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0107
OPS 3316
OPS 3316 (NORAD 851) re-entered Earth’s atmosphere on 8 March 1979, after 14 years, 6 months in orbit.
Official date
NORAD number
851
International designator
1964-045B
Object type
Spacecraft
Country
United States
Launched
14 Aug 1964Vandenberg
Re-entered (UTC)
8 Mar 1979UTC calendar day
Time in orbit
14 years, 6 months5,319 days
How it ended
Re-entered (natural decay)
Latitude range
84.6°N to 84.6°SFinal inclination 95.4°
Mass
74 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
P-11
Programme
EHH A
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 95.4°, allowed a re-entry anywhere between 84.6°N and 84.6°S.
Life in orbit
14 years, 6 monthsOPS 3316’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1964-045
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0107
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0107
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.