CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0403
COSMOS 1866 DEB
COSMOS 1866 DEB (NORAD 18288) re-entered Earth’s atmosphere on 17 September 1987.
Official dateFragment record
NORAD number
18288
International designator
1987-059G
Object type
Fragment
Country
USSR
Parent launched
9 Jul 1987Plesetsk Cosmodrome
Re-entered (UTC)
17 Sep 1987UTC calendar day
Time since launch
2 months70 days
How it ended
Re-entered (natural decay)
Latitude range
67.1°N to 67.1°SFinal inclination 67.1°
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 67.1°, allowed a re-entry anywhere between 67.1°N and 67.1°S.
Life in orbit
COSMOS 1866 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Sep 1987
2 entriesFrom the same launch
1987-059
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0403
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0403
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.