CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0469
OGO 6
OGO 6 (NORAD 3986) re-entered Earth’s atmosphere on 12 October 1979, after 10 years, 4 months in orbit.
Official date
NORAD number
3986
International designator
1969-051A
Object type
Spacecraft
Country
United States
Launched
5 Jun 1969Vandenberg
Re-entered (UTC)
12 Oct 1979UTC calendar day
Time in orbit
10 years, 4 months3,781 days
How it ended
Re-entered (natural decay)
Latitude range
81.9°N to 81.9°SFinal inclination 81.9°
Mass
620 kg
Operator
GSFC
Built by
TRW
Bus
OGO
Programme
POGO
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 81.9°, allowed a re-entry anywhere between 81.9°N and 81.9°S.
Life in orbit
10 years, 4 monthsOGO 6’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Oct 1979
1 entryFrom the same launch
1969-051
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0469
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0469
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.