CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0132
SL-12 PLAT
SL-12 PLAT (NORAD 5256) re-entered Earth’s atmosphere on 31 May 1971.
Official dateFragment record
NORAD number
5256
International designator
1971-049C
Object type
Fragment
Country
USSR
Parent launched
28 May 1971Baikonur Cosmodrome
Re-entered (UTC)
31 May 1971UTC calendar day
Time since launch
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
51.5°N to 51.5°SFinal inclination 51.5°
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 51.5°, allowed a re-entry anywhere between 51.5°N and 51.5°S.
Life in orbit
Also ended on 31 May 1971
2 entriesFrom the same launch
1971-049
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0132
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0132
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.