CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0088
SL-11 DEB
SL-11 DEB (NORAD 18191) re-entered Earth’s atmosphere on 11 February 1990.
Official dateFragment record
NORAD number
18191
International designator
1987-060C
Object type
Fragment
Country
USSR
Parent launched
10 Jul 1987Baikonur Cosmodrome
Re-entered (UTC)
11 Feb 1990UTC calendar day
Time since launch
2 years, 7 months947 days
How it ended
Re-entered (natural decay)
Latitude range
64.9°N to 64.9°SFinal inclination 64.9°
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 64.9°, allowed a re-entry anywhere between 64.9°N and 64.9°S.
Life in orbit
SL-11 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Feb 1990
2 entriesFrom the same launch
1987-060
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0088
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.