CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1988-0231

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 18447) re-entered Earth’s atmosphere on 9 April 1988, after 5 months in orbit.

Official date
NORAD number
18447
International designator
1987-091E
Object type
Rocket body
Country
USSR
Launched
28 Oct 1987Baikonur Cosmodrome
Re-entered (UTC)
9 Apr 1988UTC calendar dayAlso recorded as 9 Mar 1988
Time in orbit
5 months164 days
How it ended
Re-entered (natural decay)
Latitude range
46.7°N to 46.7°SFinal inclination 46.7°
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 46.7°, allowed a re-entry anywhere between 46.7°N and 46.7°S.

Life in orbit

5 months

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

Also ended on 9 Apr 1988

3 entries
1988-0230COSMOS 1781 DEB1988-0232COSMOS 1907 DEB1988-0233SL-6 PLAT

From the same launch

1987-091
1987-0518SL-12 R/B(1)1988-0542SL-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/1988-0231
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