CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0178
SL-6 PLAT
SL-6 PLAT (NORAD 4491) re-entered Earth’s atmosphere on 18 August 1970.
Official dateFragment record
NORAD number
4491
International designator
1970-060C
Object type
Fragment
Country
USSR
Parent launched
17 Aug 1970Baikonur Cosmodrome
Re-entered (UTC)
18 Aug 1970UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
51.7°N to 51.7°SFinal inclination 51.7°
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 51.7°, allowed a re-entry anywhere between 51.7°N and 51.7°S.
Life in orbit
Also ended on 18 Aug 1970
2 entriesFrom the same launch
1970-060
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0178
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0178
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.