CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1985-0134
SL-12 PLAT
SL-12 PLAT (NORAD 15771) re-entered Earth’s atmosphere on 31 May 1985.
Official dateFragment record
NORAD number
15771
International designator
1985-042C
Object type
Fragment
Country
USSR
Parent launched
30 May 1985Baikonur Cosmodrome
Re-entered (UTC)
31 May 1985UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
Also ended on 31 May 1985
2 entriesFrom the same launch
1985-042
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1985-0134
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1985-0134
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.