CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1987-0091

SL-4 DEB

SL-4 DEB (NORAD 17579) re-entered Earth’s atmosphere on 17 March 1987.

Official dateFragment record
NORAD number
17579
International designator
1987-025C
Object type
Fragment
Country
USSR
Parent launched
11 Mar 1987Plesetsk Cosmodrome
Re-entered (UTC)
17 Mar 1987UTC calendar day
Time since launch
6 days6 days
How it ended
Re-entered (natural decay)
Latitude range
72.9°N to 72.9°SFinal inclination 72.9°

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 72.9°, allowed a re-entry anywhere between 72.9°N and 72.9°S.

Life in orbit

Also ended on 17 Mar 1987

5 entries
1987-0087COSMOS 1760 DEB1987-0088COSMOS 1682 DEB1987-0089COSMOS 1813 DEB1987-0090COSMOS 1822 DEB1987-0092SL-4 DEB

From the same launch

1987-025
1987-0108COSMOS 18261987-0109SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0091
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