CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1969-0060

COSMOS 257

COSMOS 257 (NORAD 3578) re-entered Earth’s atmosphere on 5 March 1969, after 3 months in orbit.

Official date
NORAD number
3578
International designator
1968-107A
Object type
Spacecraft
Country
USSR
Launched
3 Dec 1968Plesetsk Cosmodrome
Re-entered (UTC)
5 Mar 1969UTC calendar day
Time in orbit
3 months92 days
How it ended
Re-entered (natural decay)
Latitude range
70.9°N to 70.9°SFinal inclination 70.9°
Mass
200 kg
Operator
PVO
Built by
Southern SDB
Bus
DS-P1
Programme
DS-P1-Yu A

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 70.9°, allowed a re-entry anywhere between 70.9°N and 70.9°S.

Life in orbit

3 months

COSMOS 257’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 5 Mar 1969

2 entries
1969-0061COSMOS 2661969-0062SL-3 R/B

From the same launch

1968-107
1969-0015SL-7 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
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