CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0620
COSMOS 1670 DEB
COSMOS 1670 DEB (NORAD 18506) re-entered Earth’s atmosphere on 28 September 1988.
Official dateFragment record
NORAD number
18506
International designator
1985-064E
Object type
Fragment
Country
USSR
Parent launched
1 Aug 1985Baikonur Cosmodrome
Re-entered (UTC)
28 Sep 1988UTC calendar day
Time since launch
3 years, 1 month1,154 days
How it ended
Re-entered (natural decay)
Latitude range
64.7°N to 64.7°SFinal inclination 64.7°
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 64.7°, allowed a re-entry anywhere between 64.7°N and 64.7°S.
Life in orbit
COSMOS 1670 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 28 Sep 1988
3 entriesEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0620
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0620
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.