CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0016
SL-6 PLAT
SL-6 PLAT (NORAD 17266) re-entered Earth’s atmosphere on 21 January 1987.
Official dateFragment record
NORAD number
17266
International designator
1986-103C
Object type
Fragment
Country
USSR
Parent launched
26 Dec 1986Plesetsk Cosmodrome
Re-entered (UTC)
21 Jan 1987UTC calendar day
Time since launch
26 days26 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 21 Jan 1987
1 entryFrom the same launch
1986-103
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0016
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0016
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.