CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0048
SL-11 R/B
SL-11 R/B (NORAD 4965) re-entered Earth’s atmosphere on 4 March 1971, after 7 days in orbit.
Official date
NORAD number
4965
International designator
1971-015B
Object type
Rocket body
Country
USSR
Launched
25 Feb 1971Baikonur Cosmodrome
Re-entered (UTC)
4 Mar 1971UTC calendar day
Time in orbit
7 days7 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
Mass
3,700 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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
7 daysAlso ended on 4 Mar 1971
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0048
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0048
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.