CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0460
SL-4 DEB
SL-4 DEB (NORAD 10405) re-entered Earth’s atmosphere on 31 October 1977.
Official dateFragment record
NORAD number
10405
International designator
1977-100C
Object type
Fragment
Country
USSR
Parent launched
11 Oct 1977Plesetsk Cosmodrome
Re-entered (UTC)
31 Oct 1977UTC calendar day
Time since launch
20 days20 days
How it ended
Re-entered (natural decay)
Latitude range
63.0°N to 63.0°SFinal inclination 63.0°
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 63.0°, allowed a re-entry anywhere between 63.0°N and 63.0°S.
Life in orbit
From the same launch
1977-100
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0460
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0460
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.