CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0208
SL-11 PLAT
SL-11 PLAT (NORAD 4557) re-entered Earth’s atmosphere on 26 September 1970.
Official dateFragment record
NORAD number
4557
International designator
1970-076B
Object type
Fragment
Country
USSR
Parent launched
25 Sep 1970Baikonur Cosmodrome
Re-entered (UTC)
26 Sep 1970UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
49.7°N to 49.7°SFinal inclination 49.7°
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 49.7°, allowed a re-entry anywhere between 49.7°N and 49.7°S.
Life in orbit
Also ended on 26 Sep 1970
1 entryFrom the same launch
1970-076
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0208
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0208
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.