COSMOS 2597, 66647
Orbit data source: Space-Track
COSMOS 2597, 66647 is a payload satellite owned by VVKO VKS (CIS) in LEO that was launched on Tue, 25 Nov 2025 UTC via an ANGARA-1.2 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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66647 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Operational Defense Communications
Bus & Motor
STRELA-3M, Unknown motor
Mass
280 kg wet, 280 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Ant, 1.1 m
Radar Cross Section
1.583 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 COSMOS 2597
1 66647U 25273A 26171.37942663 .00000004 00000-0 -42372-4 0 9992
2 66647 82.4984 168.5368 0011111 204.8093 155.2454 12.42899396 25695Epoch: 2026-06-20T09:06Z
TLE epoch observation values (Epoch: 2026-06-20T09:06:22.460Z)
Latitude
-0.00001°
Longitude
123.34832°
Altitude
1,504.982 km
Speed
7.109 km/s
True Right ascension
11h 14m 08s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
08:33:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,500.432 km
Perigee altitude
1,482.943 km
Semi-major axis
7,869.825 km
Eccentricity
0.00111
Inclination
82.4984°
RAAN
168.5368°
Arg. of periapsis
204.8093°
True anomaly
155.29865°
Mean anomaly
155.2454°
Eccentric anomaly
155.27203°
Mean motion
3.10882 °/min
Orbital period
115.8 mins
BSTAR
-0.000042372
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Other satellites on launch #273 in the year 2025 (2025-11-25 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 2597 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-20 22:46:23.203Z | 113.443° SE | 2026-06-20 22:51:23.203Z | 75.639° E | 17.85° | 2026-06-20 22:56:23.203Z | 39.59° NE |
| 16 mins | 2026-06-21 00:39:23.203Z | 188.607° SSW | 2026-06-21 00:46:23.203Z | 232.932° WSW | 44.756° | 2026-06-21 00:55:23.203Z | 6.751° NNE |
| 8 mins | 2026-06-21 02:41:23.203Z | 271.334° WNW | 2026-06-21 02:45:23.203Z | 302.126° NW | 16.322° | 2026-06-21 02:49:23.203Z | 331.394° NNW |
| 15 mins | 2026-06-21 10:50:23.203Z | 5.715° NNE | 2026-06-21 10:57:23.203Z | 69.727° E | 36.197° | 2026-06-21 11:05:23.203Z | 146.003° SSE |
| 13 mins | 2026-06-21 12:48:23.203Z | 329.577° NNW | 2026-06-21 12:54:23.203Z | 272.33° WNW | 30.867° | 2026-06-21 13:01:23.203Z | 213.762° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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