CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0187
Kapsula Kosmosa-731
Nauka 9KS No. 2L
Kapsula Kosmosa-731 (NORAD 7885) re-entered Earth’s atmosphere on 19 June 1975, after 29 days in orbit.
Official dateIdentified from the historical record
NORAD number
7885
International designator
1975-041H
Object type
Spacecraft
Official listing
COSMOS 731 DEBListed as a fragment
Country
USSR
Launched
21 May 1975Baikonur Cosmodrome
Re-entered (UTC)
19 Jun 1975UTC calendar day
Time in orbit
29 days29 days
How it ended
Re-entered (natural decay)
Latitude range
64.9°N to 64.9°SFinal inclination 64.9°
Mass
630 kg
Operator
TsSKB
Built by
TsSKB
Bus
Nauka
Programme
Nauka 9KS
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 64.9°, allowed a re-entry anywhere between 64.9°N and 64.9°S.
Life in orbit
29 daysKapsula Kosmosa-731’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1975-041
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.