CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1983-0107
SL-4 R/B
SL-4 R/B (NORAD 13887) re-entered Earth’s atmosphere on 29 March 1983, after 13 days in orbit.
Official date
NORAD number
13887
International designator
1983-018B
Object type
Rocket body
Country
USSR
Launched
16 Mar 1983Baikonur Cosmodrome
Re-entered (UTC)
29 Mar 1983UTC calendar day
Time in orbit
13 days13 days
How it ended
Re-entered (natural decay)
Latitude range
69.9°N to 69.9°SFinal inclination 69.9°
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 69.9°, allowed a re-entry anywhere between 69.9°N and 69.9°S.
Life in orbit
13 daysFrom the same launch
1983-018Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1983-0107
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1983-0107
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.