CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1983-0415
SL-4 R/B
SL-4 R/B (NORAD 11994) re-entered Earth’s atmosphere on 26 October 1983, after 3 years in orbit.
Official date
NORAD number
11994
International designator
1980-079B
Object type
Rocket body
Country
USSR
Launched
28 Sep 1980Baikonur Cosmodrome
Re-entered (UTC)
26 Oct 1983UTC calendar dayAlso recorded as 30 Sep 1980
Time in orbit
3 years1,123 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
2,350 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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
3 yearsFrom the same launch
1980-079
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1983-0415
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1983-0415
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.