CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0162
Kosmos-1204 SS 11
ESO
Kosmos-1204 SS 11 (NORAD 12036) re-entered Earth’s atmosphere on 13 April 1981, after 8 months in orbit.
Official dateIdentified from the historical record
NORAD number
12036
International designator
1980-067N
Object type
Spacecraft
Official listing
COSMOS 1204 DEBListed as a fragment
Country
USSR
Launched
31 Jul 1980Kapustin Yar
Re-entered (UTC)
13 Apr 1981UTC calendar dayAlso recorded as 27 Nov 1980
Time in orbit
8 months256 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
5 kg
Operator
PVO
Built by
Southern SDB
Bus
ESO
Programme
ESO
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
8 monthsKosmos-1204 SS 11’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 13 Apr 1981
28 entries1981-0165SL-6 R/B(1)1981-0166SL-4 R/B1981-0138OPS 8464 DEB *1981-0139TITAN 3C TRANSTAGE DEB1981-0140TITAN 3C TRANSTAGE DEB1981-0141TITAN 3C TRANSTAGE DEB1981-0142COSMOS 249 DEB1981-0143COSMOS 252 DEB *1981-0144SL-8 DEB1981-0145THORAD AGENA D DEB1981-0146SCOUT B DEB1981-0147THORAD AGENA D DEB+16 more
From the same launch
1980-0671980-0419Kosmos-1204 SS 11980-0425Kosmos-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 17
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0162
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0162
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.