CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1982-0554

Kosmos-1311 SS 9

ESO

Kosmos-1311 SS 9 (NORAD 13729) re-entered Earth’s atmosphere on 24 December 1982, after 1 year, 2 months in orbit.

Official dateIdentified from the historical record
NORAD number
13729
International designator
1981-097L
Object type
Spacecraft
Official listing
COSMOS 1311 DEBListed as a fragment
Country
USSR
Launched
28 Sep 1981Plesetsk Cosmodrome
Re-entered (UTC)
24 Dec 1982UTC calendar day
Time in orbit
1 year, 2 months452 days
How it ended
Re-entered (natural decay)
Latitude range
82.9°N to 82.9°SFinal inclination 82.9°
Mass
5 kg
Operator
PVO
Built by
Southern SDB
Bus
ESO
Programme
ESO

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 82.9°, allowed a re-entry anywhere between 82.9°N and 82.9°S.

Life in orbit

1 year, 2 months

From the same launch

1981-097
1982-0060Kosmos-1311 SS 21982-0063Kosmos-1311 SS 11982-0518Kosmos-1311 SS 31982-0519Kosmos-1311 SS 41982-0537Kosmos-1311 SS 61982-0538Kosmos-1311 SS 131982-0540Kosmos-1311 SS 51982-0541Kosmos-1311 SS 111982-0542Kosmos-1311 SS 121982-0544Kosmos-1311 SS 101982-0550Kosmos-1311 SS 71982-0553Kosmos-1311 SS 8
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1982-0554
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