CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0080
COSMOS 1646 DEB
COSMOS 1646 DEB (NORAD 18661) re-entered Earth’s atmosphere on 12 February 1988.
Official dateFragment record
NORAD number
18661
International designator
1985-030W
Object type
Fragment
Country
USSR
Parent launched
18 Apr 1985Baikonur Cosmodrome
Re-entered (UTC)
12 Feb 1988UTC calendar day
Time since launch
2 years, 9 months1,030 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
COSMOS 1646 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Feb 1988
4 entriesFrom the same launch
1985-030Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0080
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0080
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.