CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0109
SL-6 PLAT
SL-6 PLAT (NORAD 9641) re-entered Earth’s atmosphere on 15 February 1977.
Official dateFragment record
NORAD number
9641
International designator
1976-127C
Object type
Fragment
Country
USSR
Parent launched
28 Dec 1976Plesetsk Cosmodrome
Re-entered (UTC)
15 Feb 1977UTC calendar day
Time since launch
1 month49 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
SL-6 PLAT’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Feb 1977
1 entryFrom the same launch
1976-127
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0109
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0109
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.