CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0355
SL-11 DEB
SL-11 DEB (NORAD 10280) re-entered Earth’s atmosphere on 25 August 1977.
Official dateFragment record
NORAD number
10280
International designator
1977-077C
Object type
Fragment
Country
USSR
Parent launched
24 Aug 1977Baikonur Cosmodrome
Re-entered (UTC)
25 Aug 1977UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
Also ended on 25 Aug 1977
2 entriesFrom the same launch
1977-077
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0355
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0355
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.