CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1987-0549

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 17913) re-entered Earth’s atmosphere on 22 November 1987, after 6 months in orbit.

Official date
NORAD number
17913
International designator
1987-036H
Object type
Rocket body
Country
USSR
Launched
24 Apr 1987Baikonur Cosmodrome
Re-entered (UTC)
22 Nov 1987UTC calendar dayAlso recorded as 22 Nov 1991
Time in orbit
6 months212 days
How it ended
Re-entered (natural decay)
Latitude range
64.8°N to 64.8°SFinal inclination 64.8°
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 64.8°, allowed a re-entry anywhere between 64.8°N and 64.8°S.

Life in orbit

6 months

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

Also ended on 22 Nov 1987

4 entries
1987-0547Kosmos-1776 SS 81987-0548COSMOS 1813 DEB1987-0550COSMOS 1843 DEB1987-0551ARIANE 1 DEB

From the same launch

1987-036
1987-0150SL-12 R/B(1)1987-0313SL-12 R/B(AUX MOTOR)1991-0167SL-12 R/B(2)1991-0199COSMOS 1839 (GLONASS)1991-0209COSMOS 1838 (GLONASS)1991-0398COSMOS 1840 (GLONASS)
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0549
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