CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0102
SL-4 DEB
SL-4 DEB (NORAD 9525) re-entered Earth’s atmosphere on 10 February 1977.
Official dateFragment record
NORAD number
9525
International designator
1976-109G
Object type
Fragment
Country
USSR
Parent launched
1 Nov 1976Plesetsk Cosmodrome
Re-entered (UTC)
10 Feb 1977UTC calendar day
Time since launch
3 months101 days
How it ended
Re-entered (natural decay)
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.
Life in orbit
SL-4 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 10 Feb 1977
1 entryFrom the same launch
1976-109
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0102
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0102
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.