CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0369
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 16254) re-entered Earth’s atmosphere on 22 September 1986, after 10 months in orbit.
Official date
NORAD number
16254
International designator
1985-107D
Object type
Rocket body
Country
USSR
Launched
15 Nov 1985Baikonur Cosmodrome
Re-entered (UTC)
22 Sep 1986UTC calendar dayAlso recorded as 27 Oct 1986
Time in orbit
10 months311 days
How it ended
Re-entered (natural decay)
Latitude range
46.5°N to 46.5°SFinal inclination 46.5°
Mass
120 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 46.5°, allowed a re-entry anywhere between 46.5°N and 46.5°S.
Life in orbit
10 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 22 Sep 1986
2 entriesFrom the same launch
1985-107Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0369
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0369
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.