CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1991-0336

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 20115) re-entered Earth’s atmosphere on 15 August 1991, after 2 years, 1 month in orbit.

Official date
NORAD number
20115
International designator
1989-052E
Object type
Rocket body
Country
USSR
Launched
5 Jul 1989Baikonur Cosmodrome
Re-entered (UTC)
15 Aug 1991UTC calendar day
Time in orbit
2 years, 1 month771 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 allowed
Exact 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

2 years, 1 month

SL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 15 Aug 1991

3 entries
1991-0337USA 701991-0338MIR DEB1991-0339RESURS F-12 DEB

From the same launch

1989-052
1989-0635SL-12 R/B(1)1998-0300SL-12 R/B(AUX MOTOR)
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0336
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.