CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0419
Kosmos-1204 SS 1
ESO
Kosmos-1204 SS 1 (NORAD 11960) re-entered Earth’s atmosphere on 11 October 1980, after 2 months in orbit.
Official dateIdentified from the historical record
NORAD number
11960
International designator
1980-067C
Object type
Spacecraft
Official listing
COSMOS 1204 DEBListed as a fragment
Country
USSR
Launched
31 Jul 1980Kapustin Yar
Re-entered (UTC)
11 Oct 1980UTC calendar day
Time in orbit
2 months72 days
How it ended
Re-entered (natural decay)
Latitude range
50.6°N to 50.6°SFinal inclination 50.6°
Mass
5 kg
Operator
PVO
Built by
Southern SDB
Bus
ESO
Programme
ESO
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 50.6°, allowed a re-entry anywhere between 50.6°N and 50.6°S.
Life in orbit
2 monthsKosmos-1204 SS 1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Oct 1980
4 entriesFrom the same launch
1980-0671980-0425Kosmos-1204 SS 21980-0448Kosmos-1204 SS 41980-0449Kosmos-1204 SS 51980-0454Kosmos-1204 SS 61980-0465Kosmos-1204 SS 31980-0470Kosmos-1204 SS 71980-0471Kosmos-1204 SS 81980-0472Kosmos-1204 SS 91980-0487Kosmos-1204 SS 101980-0499Kosmos-1204 SS 191980-0502Kosmos-1204 SS 171980-0503Kosmos-1204 SS 18
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0419
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0419
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.