CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0127
COSMOS 555
COSMOS 555 (NORAD 6440) landed on 7 May 1973, after 12 days in orbit.
Official date
NORAD number
6440
International designator
1973-024A
Object type
Spacecraft
Country
USSR
Launched
25 Apr 1973Plesetsk Cosmodrome
Landed (UTC)
7 May 1973UTC calendar day
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
81.3°N to 81.3°SFinal inclination 81.3°
Mass
2,200 kg
Operator
GUKOS RVSN
Built by
TsKBEM Fil. 3
Bus
Zenit-2M
Programme
Zenit-2M
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 81.3°, allowed a re-entry anywhere between 81.3°N and 81.3°S.
Life in orbit
12 daysAlso ended on 7 May 1973
92 entriesFrom the same launch
1973-024
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0127
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0127
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.