CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1982-0109
OSO 3
OSO 3 (NORAD 2703) re-entered Earth’s atmosphere on 4 April 1982, after 15 years in orbit.
Official date
NORAD number
2703
International designator
1967-020A
Object type
Spacecraft
Country
United States
Launched
8 Mar 1967Cape Canaveral
Re-entered (UTC)
4 Apr 1982UTC calendar day
Time in orbit
15 years5,506 days
How it ended
Re-entered (natural decay)
Latitude range
32.8°N to 32.8°SFinal inclination 32.8°
Mass
284 kg
Operator
GSFC
Built by
Ball
Bus
OSO
Programme
OSO
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 32.8°, allowed a re-entry anywhere between 32.8°N and 32.8°S.
Life in orbit
15 yearsOSO 3’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1967-020
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1982-0109
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1982-0109
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.