CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0023
SL-11 R/B
SL-11 R/B (NORAD 21066) re-entered Earth’s atmosphere on 18 January 1991, after 0 days in orbit.
Official date
NORAD number
21066
International designator
1991-005B
Object type
Rocket body
Country
USSR
Launched
18 Jan 1991Baikonur Cosmodrome
Re-entered (UTC)
18 Jan 1991UTC calendar dayAlso recorded as 19 Jan 1991
Time in orbit
0 days0 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
4,000 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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
0 daysAlso ended on 18 Jan 1991
2 entriesFrom the same launch
1991-005
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0023
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0023
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.