CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0511
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 16734) re-entered Earth’s atmosphere on 7 December 1986, after 6 months in orbit.
Official date
NORAD number
16734
International designator
1986-038F
Object type
Rocket body
Country
USSR
Launched
24 May 1986Baikonur Cosmodrome
Re-entered (UTC)
7 Dec 1986UTC calendar dayAlso recorded as 28 Dec 1986
Time in orbit
6 months197 days
How it ended
Re-entered (natural decay)
Latitude range
46.7°N to 46.7°SFinal inclination 46.7°
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 46.7°, allowed a re-entry anywhere between 46.7°N and 46.7°S.
Life in orbit
6 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1986-038
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0511
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0511
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.