CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1995-0163
COSMOS 398
COSMOS 398 (NORAD 4966) re-entered Earth’s atmosphere on 10 December 1995, after 24 years, 9 months in orbit.
Official date
NORAD number
4966
International designator
1971-016A
Object type
Spacecraft
Country
USSR
Launched
26 Feb 1971Baikonur Cosmodrome
Re-entered (UTC)
10 Dec 1995UTC calendar day
Time in orbit
24 years, 9 months9,053 days
How it ended
Re-entered (natural decay)
Latitude range
51.4°N to 51.4°SFinal inclination 51.4°
Mass
1,170 kg
Operator
TsKBEM
Built by
TsKBEM
Bus
T2K
Programme
T2K
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 51.4°, allowed a re-entry anywhere between 51.4°N and 51.4°S.
Life in orbit
24 years, 9 monthsCOSMOS 398’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1971-016
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1995-0163
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1995-0163
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.