CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1981-0040

SL-4 R/B

SL-4 R/B (NORAD 12153) re-entered Earth’s atmosphere on 27 January 1981, after 3 days in orbit.

Official date
NORAD number
12153
International designator
1981-007B
Object type
Rocket body
Country
USSR
Launched
24 Jan 1981Baikonur Cosmodrome
Re-entered (UTC)
27 Jan 1981UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2,350 kg

Where it came down

Not on record

No position was recorded for this re-entry. Its final orbit is not on record.

Life in orbit

3 days

Also ended on 27 Jan 1981

1 entry
1981-0039SL-6 R/B(1)

From the same launch

1981-007
1981-0110PROGRESS 12
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0040
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