CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0049
SL-4 DEB
SL-4 DEB (NORAD 20429) re-entered Earth’s atmosphere on 18 January 1990.
Official dateFragment record
NORAD number
20429
International designator
1990-003D
Object type
Fragment
Country
USSR
Parent launched
17 Jan 1990Plesetsk Cosmodrome
Re-entered (UTC)
18 Jan 1990UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
Also ended on 18 Jan 1990
2 entriesFrom the same launch
1990-003
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0049
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0049
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.