CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1983-0350

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 12604) re-entered Earth’s atmosphere on 12 September 1983, after 2 years, 2 months in orbit.

Official date
NORAD number
12604
International designator
1981-061E
Object type
Rocket body
Country
USSR
Launched
26 Jun 1981Baikonur Cosmodrome
Re-entered (UTC)
12 Sep 1983UTC calendar dayAlso recorded as 20 Apr 1982
Time in orbit
2 years, 2 months808 days
How it ended
Re-entered (natural decay)
Latitude range
46.4°N to 46.4°SFinal inclination 46.4°
Mass
120 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 46.4°, allowed a re-entry anywhere between 46.4°N and 46.4°S.

Life in orbit

2 years, 2 months

SL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 12 Sep 1983

4 entries
1983-0354SL-6 R/B(1)1983-0351COSMOS 1355 DEB1983-0352COSMOS 1355 DEB1983-0353COSMOS 1443 DEB

From the same launch

1981-061
1981-0327SL-12 R/B(1)1982-0132SL-12 R/B(AUX MOTOR)
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Entered in the Orbital Register™, founding volume, September 2026.
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