CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0062
SL-12 PLAT
SL-12 PLAT (NORAD 3135) re-entered Earth’s atmosphere on 7 March 1968.
Official dateFragment record
NORAD number
3135
International designator
1968-013B
Object type
Fragment
Country
USSR
Parent launched
2 Mar 1968Baikonur Cosmodrome
Re-entered (UTC)
7 Mar 1968UTC calendar day
Time since launch
5 days5 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 7 Mar 1968
1 entryFrom the same launch
1968-013
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1968-0062
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0062
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.