CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1991-0452

SL-4 R/B

SL-4 R/B (NORAD 21738) re-entered Earth’s atmosphere on 16 October 1991, after 12 days in orbit.

Official date
NORAD number
21738
International designator
1991-070B
Object type
Rocket body
Country
USSR
Launched
4 Oct 1991Plesetsk Cosmodrome
Re-entered (UTC)
16 Oct 1991UTC calendar day
Time in orbit
12 days12 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,350 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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.

Life in orbit

12 days

Also ended on 16 Oct 1991

1 entry
1991-0451DELTA 1 DEB

From the same launch

1991-070
1991-0456FOTON 4
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0452
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