CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1980-0050

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 13913) re-entered Earth’s atmosphere on 4 February 1980, after 11 months in orbit.

Official date
NORAD number
13913
International designator
1979-015E
Object type
Rocket body
Country
USSR
Launched
21 Feb 1979Baikonur Cosmodrome
Re-entered (UTC)
4 Feb 1980UTC calendar day
Time in orbit
11 months348 days
How it ended
Re-entered (natural decay)
Latitude range
25.6°N to 25.6°SFinal inclination 25.6°
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 25.6°, allowed a re-entry anywhere between 25.6°N and 25.6°S.

Life in orbit

11 months

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

From the same launch

1979-015
1979-0083SL-12 R/B(1)1979-0544SL-12 R/B(AUX MOTOR)
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0050
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