CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0471
OGO 2 (POGO)
OGO 2 (POGO) (NORAD 1620) re-entered Earth’s atmosphere on 17 September 1981, after 15 years, 11 months in orbit.
Official date
NORAD number
1620
International designator
1965-081A
Object type
Spacecraft
Country
United States
Launched
14 Oct 1965Vandenberg
Re-entered (UTC)
17 Sep 1981UTC calendar day
Time in orbit
15 years, 11 months5,817 days
How it ended
Re-entered (natural decay)
Latitude range
87.3°N to 87.3°SFinal inclination 87.3°
Mass
507 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 87.3°, allowed a re-entry anywhere between 87.3°N and 87.3°S.
Life in orbit
15 years, 11 monthsOGO 2 (POGO)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Sep 1981
3 entriesFrom the same launch
1965-081
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0471
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0471
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.