CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0258
SL-4 DEB
SL-4 DEB (NORAD 20617) re-entered Earth’s atmosphere on 16 May 1990.
Official dateFragment record
NORAD number
20617
International designator
1990-044C
Object type
Fragment
Country
USSR
Parent launched
15 May 1990Baikonur Cosmodrome
Re-entered (UTC)
16 May 1990UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
70.0°N to 70.0°SFinal inclination 70.0°
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 70.0°, allowed a re-entry anywhere between 70.0°N and 70.0°S.
Life in orbit
Also ended on 16 May 1990
3 entriesFrom the same launch
1990-044
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0258
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0258
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.