CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0384
SL-4 R/B
SL-4 R/B (NORAD 11983) re-entered Earth’s atmosphere on 26 September 1980, after 3 days in orbit.
Official date
NORAD number
11983
International designator
1980-077B
Object type
Rocket body
Country
USSR
Launched
23 Sep 1980Plesetsk Cosmodrome
Re-entered (UTC)
26 Sep 1980UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2,350 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
3 daysAlso ended on 26 Sep 1980
2 entriesFrom the same launch
1980-077
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0384
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0384
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.