CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0158
SL-8 DEB *
SL-8 DEB * (NORAD 8550) re-entered Earth’s atmosphere on 24 March 1977.
Official dateFragment record
NORAD number
8550
International designator
1976-001D
Object type
Fragment
Country
USSR
Parent launched
6 Jan 1976Plesetsk Cosmodrome
Re-entered (UTC)
24 Mar 1977UTC calendar day
Time since launch
1 year, 2 months443 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 24 Mar 1977
2 entriesFrom the same launch
1976-001
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0158
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0158
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.