CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1983-0174
SL-6 R/B(1)
SL-6 R/B(1) (NORAD 13965) re-entered Earth’s atmosphere on 1 May 1983, after 29 days in orbit.
Official date
NORAD number
13965
International designator
1983-025B
Object type
Rocket body
Country
USSR
Launched
2 Apr 1983Baikonur Cosmodrome
Re-entered (UTC)
1 May 1983UTC calendar day
Time in orbit
29 days29 days
How it ended
Re-entered (natural decay)
Latitude range
62.9°N to 62.9°SFinal inclination 62.9°
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 62.9°, allowed a re-entry anywhere between 62.9°N and 62.9°S.
Life in orbit
29 daysSL-6 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 1 May 1983
1 entryFrom the same launch
1983-025
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1983-0174
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1983-0174
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.