CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1988-0510

COSMOS 1646 DEB

COSMOS 1646 DEB (NORAD 18655) re-entered Earth’s atmosphere on 24 August 1988.

Official dateFragment record
NORAD number
18655
International designator
1985-030Q
Object type
Fragment
Country
USSR
Parent launched
18 Apr 1985Baikonur Cosmodrome
Re-entered (UTC)
24 Aug 1988UTC calendar day
Time since launch
3 years, 4 months1,224 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°

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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.

Life in orbit

COSMOS 1646 DEB’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 24 Aug 1988

7 entries
1988-0506COSMOS 375 DEB1988-0507COSMOS 249 DEB1988-0508COSMOS 1461 DEB1988-0509COSMOS 1813 DEB1988-0511COSMOS 1962 DEB1988-0512SL-4 DEB1988-0513SL-4 DEB

From the same launch

1985-030
1985-0091SL-11 R/B1988-0297COSMOS 1646
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0510
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.