CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0462
Kapsula Kosmosa-780
Nauka 20KS No. 2L
Kapsula Kosmosa-780 (NORAD 8460) re-entered Earth’s atmosphere on 11 December 1975, after 20 days in orbit.
Official dateIdentified from the historical record
NORAD number
8460
International designator
1975-108D
Object type
Spacecraft
Official listing
COSMOS 780 DEBListed as a fragment
Country
USSR
Launched
21 Nov 1975Baikonur Cosmodrome
Re-entered (UTC)
11 Dec 1975UTC calendar day
Time in orbit
20 days20 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
630 kg
Operator
TsSKB
Built by
TsSKB
Bus
Nauka
Programme
Nauka 20KS
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
20 daysFrom the same launch
1975-108
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0462
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0462
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.