CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
2025-0454

Kosmos-2577

Kosmos-2577 (NORAD 61179) re-entered Earth’s atmosphere on 26 February 2025 over the North Pacific Ocean, after 5 months in orbit.

Official dateIdentified from the historical record
NORAD number
61179
International designator
2024-166A
Object type
Spacecraft
Official listing
OBJECT AListed as an unidentified object
Country
Russia
Launched
17 Sep 2024Plesetsk Cosmodrome
Re-entered (UTC)
26 Feb 2025Recorded time 22:20 UTC
Time in orbit
5 months162 days
How it ended
Re-entered (natural decay)
Latitude range
83.3°N to 83.3°SFinal inclination 96.7°
Mass
520 kg
Operator
MO RF
Built by
VNIIEMI?
Bus
OO-MKA
Programme
OO-MKA

Where it came down

Recorded position

Recorded position 24.0°N, 175.0°W at 22:20 UTC. Its final orbit, inclined at 96.7°, allowed a re-entry anywhere between 83.3°N and 83.3°S.

Life in orbit

5 months

Kosmos-2577’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 26 Feb 2025

8 entries
2025-0447STARLINK-13782025-0448STARLINK-17322025-0449STARLINK-23332025-0450STARLINK-51122025-0451STARLINK-58472025-0452STARLINK-304192025-0453PROGRESS MS-282025-0455ELECTRON R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-0454
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