CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0118
SL-8 R/B
SL-8 R/B (NORAD 4807) re-entered Earth’s atmosphere on 25 March 1980, after 9 years, 3 months in orbit.
Official date
NORAD number
4807
International designator
1970-111B
Object type
Rocket body
Country
USSR
Launched
16 Dec 1970Plesetsk Cosmodrome
Re-entered (UTC)
25 Mar 1980UTC calendar day
Time in orbit
9 years, 3 months3,387 days
How it ended
Re-entered (natural decay)
Latitude range
73.9°N to 73.9°SFinal inclination 73.9°
Mass
1,434 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 73.9°, allowed a re-entry anywhere between 73.9°N and 73.9°S.
Life in orbit
9 years, 3 monthsSL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Mar 1980
2 entriesFrom the same launch
1970-111
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0118
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0118
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.