CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0332
Kapsula Kosmosa-561
Nauka 9KS No. 1L
Kapsula Kosmosa-561 (NORAD 6662) re-entered Earth’s atmosphere on 20 June 1973, after 26 days in orbit.
Official dateIdentified from the historical record
NORAD number
6662
International designator
1973-033D
Object type
Spacecraft
Official listing
COSMOS 561 DEBListed as a fragment
Country
USSR
Launched
25 May 1973Plesetsk Cosmodrome
Re-entered (UTC)
20 Jun 1973UTC calendar day
Time in orbit
26 days26 days
How it ended
Re-entered (natural decay)
Latitude range
65.4°N to 65.4°SFinal inclination 65.4°
Mass
630 kg
Operator
TsKBEM Fil. 3
Built by
TsKBEM Fil. 3
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 65.4°, allowed a re-entry anywhere between 65.4°N and 65.4°S.
Life in orbit
26 daysKapsula Kosmosa-561’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1973-033
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0332
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0332
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.