CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1963-0002

SPUTNIK 25

SPUTNIK 25 (NORAD 521) re-entered Earth’s atmosphere on 5 January 1963, after 1 day in orbit.

Official date
NORAD number
521
International designator
1963-001A
Object type
Spacecraft
Country
USSR
Launched
Re-entered (UTC)
5 Jan 1963UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
64.6°N to 64.6°SFinal inclination 64.6°
Mass
2,000 kg
Operator
RVSN
Built by
Progress
Bus
Blok-I

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 64.6°, allowed a re-entry anywhere between 64.6°N and 64.6°S.

Life in orbit

1 day

From the same launch

1963-001
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0002
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