CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1992-0012
COSMOS 604
COSMOS 604 (NORAD 6907) re-entered Earth’s atmosphere on 19 January 1992, after 18 years, 2 months in orbit.
Official date
NORAD number
6907
International designator
1973-080A
Object type
Spacecraft
Country
USSR
Launched
29 Oct 1973Plesetsk Cosmodrome
Re-entered (UTC)
19 Jan 1992UTC calendar day
Time in orbit
18 years, 2 months6,656 days
How it ended
Re-entered (natural decay)
Latitude range
81.2°N to 81.2°SFinal inclination 81.2°
Mass
1,750 kg
Operator
TsNII-108
Built by
Southern SDB
Bus
Tselina-D
Programme
Tselina-D1
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 81.2°, allowed a re-entry anywhere between 81.2°N and 81.2°S.
Life in orbit
18 years, 2 monthsCOSMOS 604’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Jan 1992
1 entryFrom the same launch
1973-080
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1992-0012
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1992-0012
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.