CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1992-0105
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 21541) re-entered Earth’s atmosphere on 6 April 1992, after 9 months in orbit.
Official date
NORAD number
21541
International designator
1991-046F
Object type
Rocket body
Country
USSR
Launched
1 Jul 1991Baikonur Cosmodrome
Re-entered (UTC)
6 Apr 1992UTC calendar dayAlso recorded as 26 Feb 1992
Time in orbit
9 months280 days
How it ended
Re-entered (natural decay)
Latitude range
46.6°N to 46.6°SFinal inclination 46.6°
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 46.6°, allowed a re-entry anywhere between 46.6°N and 46.6°S.
Life in orbit
9 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 6 Apr 1992
1 entryFrom the same launch
1991-046
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1992-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1992-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.