CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1999-0049

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 19771) re-entered Earth’s atmosphere on 15 February 1999, after 10 years in orbit.

Official date
NORAD number
19771
International designator
1989-004E
Object type
Rocket body
Country
USSR
Launched
26 Jan 1989Baikonur Cosmodrome
Re-entered (UTC)
15 Feb 1999UTC calendar day
Time in orbit
10 years3,672 days
How it ended
Re-entered (natural decay)
Latitude range
46.3°N to 46.3°SFinal inclination 46.3°
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 46.3°, allowed a re-entry anywhere between 46.3°N and 46.3°S.

Life in orbit

10 years

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

From the same launch

1989-004
1989-0109SL-12 R/B(1)1989-0990SL-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/1999-0049
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