CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0340
COSMOS 523 DEB
COSMOS 523 DEB (NORAD 6239) re-entered Earth’s atmosphere on 17 November 1972.
Official dateFragment record
NORAD number
6239
International designator
1972-078E
Object type
Fragment
Country
USSR
Parent launched
5 Oct 1972Plesetsk Cosmodrome
Re-entered (UTC)
17 Nov 1972UTC calendar day
Time since launch
1 month43 days
How it ended
Re-entered (natural decay)
Latitude range
70.1°N to 70.1°SFinal inclination 70.1°
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 70.1°, allowed a re-entry anywhere between 70.1°N and 70.1°S.
Life in orbit
Also ended on 17 Nov 1972
1 entryFrom the same launch
1972-078
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0340
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0340
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.