CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0013
SL-6 PLAT
SL-6 PLAT (NORAD 9559) re-entered Earth’s atmosphere on 5 January 1977.
Official dateFragment record
NORAD number
9559
International designator
1976-112C
Object type
Fragment
Country
USSR
Parent launched
25 Nov 1976Baikonur Cosmodrome
Re-entered (UTC)
5 Jan 1977UTC calendar day
Time since launch
1 month41 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
SL-6 PLAT’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1976-112
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0013
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0013
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.