CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0193
SL-11 PLAT
SL-11 PLAT (NORAD 5403) re-entered Earth’s atmosphere on 10 August 1971.
Official dateFragment record
NORAD number
5403
International designator
1971-068B
Object type
Fragment
Country
USSR
Parent launched
8 Aug 1971Baikonur Cosmodrome
Re-entered (UTC)
10 Aug 1971UTC calendar day
Time since launch
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
49.6°N to 49.6°SFinal inclination 49.6°
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 49.6°, allowed a re-entry anywhere between 49.6°N and 49.6°S.
Life in orbit
Also ended on 10 Aug 1971
1 entryFrom the same launch
1971-068
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0193
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0193
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.