CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2015-0322
SL-8 R/B
SL-8 R/B (NORAD 12389) re-entered Earth’s atmosphere on 12 July 2015 over the Southern Ocean, after 34 years, 3 months in orbit.
Official date
NORAD number
12389
International designator
1981-033B
Object type
Rocket body
Country
USSR
Launched
9 Apr 1981Plesetsk Cosmodrome
Re-entered (UTC)
12 Jul 2015UTC calendar dayAlso recorded as 11 Jul 2015
Time in orbit
34 years, 3 months12,512 days
How it ended
Re-entered (natural decay)
Latitude range
82.8°N to 82.8°SFinal inclination 82.8°
Mass
1,434 kg
Where it came down
Recorded positionRecorded position 73.0°S, 134.0°E. Its final orbit, inclined at 82.8°, allowed a re-entry anywhere between 82.8°N and 82.8°S.
Life in orbit
34 years, 3 monthsSL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Jul 2015
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2015-0322
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2015-0322
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.