CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1975-0444

SL-4 R/B

SL-4 R/B (NORAD 8431) re-entered Earth’s atmosphere on 20 November 1975, after 3 days in orbit.

Official date
NORAD number
8431
International designator
1975-106B
Object type
Rocket body
Country
USSR
Launched
17 Nov 1975Baikonur Cosmodrome
Re-entered (UTC)
20 Nov 1975UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.

Life in orbit

3 days

Also ended on 20 Nov 1975

1 entry
1975-0443COSMOS 703

From the same launch

1975-106
1976-0040SOYUZ 20
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0444
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