CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1985-0356
SL-6 PLAT
SL-6 PLAT (NORAD 15979) re-entered Earth’s atmosphere on 22 October 1985.
Official dateFragment record
NORAD number
15979
International designator
1985-074C
Object type
Fragment
Country
USSR
Parent launched
22 Aug 1985Plesetsk Cosmodrome
Re-entered (UTC)
22 Oct 1985UTC calendar day
Time since launch
2 months61 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 22 Oct 1985
1 entryFrom the same launch
1985-074
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1985-0356
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1985-0356
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.