CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0077
SL-7 R/B
SL-7 R/B (NORAD 4763) re-entered Earth’s atmosphere on 9 April 1971, after 4 months in orbit.
Official date
NORAD number
4763
International designator
1970-100B
Object type
Rocket body
Country
USSR
Launched
24 Nov 1970Plesetsk Cosmodrome
Re-entered (UTC)
9 Apr 1971UTC calendar day
Time in orbit
4 months136 days
How it ended
Re-entered (natural decay)
Latitude range
81.9°N to 81.9°SFinal inclination 81.9°
Mass
840 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 81.9°, allowed a re-entry anywhere between 81.9°N and 81.9°S.
Life in orbit
4 monthsSL-7 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 9 Apr 1971
1 entryFrom the same launch
1970-100
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.