CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0406
SL-8 DEB
SL-8 DEB (NORAD 3231) re-entered Earth’s atmosphere on 9 September 1990.
Official dateFragment record
NORAD number
3231
International designator
1968-040C
Object type
Fragment
Country
USSR
Parent launched
7 May 1968Plesetsk Cosmodrome
Re-entered (UTC)
9 Sep 1990UTC calendar day
Time since launch
22 years, 4 months8,160 days
How it ended
Re-entered (natural decay)
Latitude range
74.0°N to 74.0°SFinal inclination 74.0°
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 74.0°, allowed a re-entry anywhere between 74.0°N and 74.0°S.
Life in orbit
SL-8 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 9 Sep 1990
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0406
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0406
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.