CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1977-0379

SL-4 DEB

SL-4 DEB (NORAD 10284) re-entered Earth’s atmosphere on 11 September 1977.

Official dateFragment record
NORAD number
10284
International designator
1977-078C
Object type
Fragment
Country
USSR
Parent launched
24 Aug 1977Plesetsk Cosmodrome
Re-entered (UTC)
11 Sep 1977UTC calendar day
Time since launch
18 days18 days
How it ended
Re-entered (natural decay)
Latitude range
—

Where it came down

Not on record

No position was recorded for this re-entry. Its final orbit is not on record.

Life in orbit

Also ended on 11 Sep 1977

3 entries
1977-0377DELTA 1 R/B1977-0380SL-4 R/B1977-0378SL-8 DEB *

From the same launch

1977-078
1977-0360SL-4 R/B1977-0367COSMOS 938
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0379
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.