CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1987-0622

SL-12 PLAT

SL-12 PLAT (NORAD 18717) re-entered Earth’s atmosphere on 28 December 1987.

Official dateFragment record
NORAD number
18717
International designator
1987-109C
Object type
Fragment
Country
USSR
Parent launched
27 Dec 1987Baikonur Cosmodrome
Re-entered (UTC)
28 Dec 1987UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°

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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.

Life in orbit

Also ended on 28 Dec 1987

2 entries
1987-0620Kosmos-1776 SS 101987-0621COSMOS 1646 DEB

From the same launch

1987-109
1987-0628SL-12 R/B(1)1988-0726SL-12 R/B(AUX MOTOR)2000-0388SL-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/1987-0622
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