CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0097
SL-12 R/B(1)
SL-12 R/B(1) (NORAD 21133) re-entered Earth’s atmosphere on 1 March 1991, after 1 day in orbit.
Official date
NORAD number
21133
International designator
1991-014B
Object type
Rocket body
Country
USSR
Launched
28 Feb 1991Baikonur Cosmodrome
Re-entered (UTC)
1 Mar 1991UTC calendar dayAlso recorded as 2 Mar 1991
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
51.7°N to 51.7°SFinal inclination 51.7°
Mass
4,185 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 51.7°, allowed a re-entry anywhere between 51.7°N and 51.7°S.
Life in orbit
1 dayAlso ended on 1 Mar 1991
1 entryFrom the same launch
1991-014Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0097
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0097
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.