CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0429
COSMOS 584
COSMOS 584 (NORAD 6818) landed on 20 September 1973, after 14 days in orbit.
Official date
NORAD number
6818
International designator
1973-063A
Object type
Spacecraft
Country
USSR
Launched
6 Sep 1973Plesetsk Cosmodrome
Landed (UTC)
20 Sep 1973UTC calendar day
Time in orbit
14 days14 days
How it ended
Landed
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
Mass
2,200 kg
Operator
GUKOS RVSN
Built by
TsKBEM Fil. 3
Bus
Zenit-4M
Programme
Zenit-4M
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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.
Life in orbit
14 daysAlso ended on 20 Sep 1973
2 entriesFrom the same launch
1973-063
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.