CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0476
SL-3 R/B
SL-3 R/B (NORAD 2763) re-entered Earth’s atmosphere on 27 October 1991, after 24 years, 6 months in orbit.
Official date
NORAD number
2763
International designator
1967-039B
Object type
Rocket body
Country
USSR
Launched
27 Apr 1967Plesetsk Cosmodrome
Re-entered (UTC)
27 Oct 1991UTC calendar day
Time in orbit
24 years, 6 months8,949 days
How it ended
Re-entered (natural decay)
Latitude range
81.1°N to 81.1°SFinal inclination 81.1°
Mass
1,440 kg
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 81.1°, allowed a re-entry anywhere between 81.1°N and 81.1°S.
Life in orbit
24 years, 6 monthsSL-3 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 27 Oct 1991
3 entriesFrom the same launch
1967-039
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0476
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0476
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.