OBJECT K, 66004

Orbit data source: Space-Track

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Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT K, 66004 is a satellite owned by CASC (CN) in LEO that was launched on Thu, 16 Oct 2025 UTC launched from the Wenchang Satellite Launch Center (WSC). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.

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Identifier
66004, 2025-231K
Orbit
LEO
Country
Flag of CNCN / PRC
Related business
Manufacturer
CALT
Mission
Spacecraft
Bus & Motor
CZ-8A STAGE 2, Unknown motor
Mass
~2,800 kg wet, ~2,800 kg dry
Launch date (UTC)
2025-10-16 (4 days ago)
Launch vehicle
Unknown
Launch site
Wenchang Satellite Launch Center (WSC)
Object type
Unknown
Shape & HBR
Unknown
Radar Cross Section
RCS unknown

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago
0 OBJECT K
1 66004U 25231K   25291.20640000 -.00000068  00000-0  35081-4 0  9996
2 66004  50.0051 348.7435 0116743  91.6074 269.8218 14.30028449   317
Epoch: 2025-10-18T04:57Z
TLE epoch observation values (Epoch: 2025-10-18T04:57:12.960Z)
Latitude
0.00003°
Longitude
-112.50122°
Altitude
793.405 km
Speed
7.458 km/s
True Right ascension
23h 14m 58s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
00:32:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
876.086 km
Perigee altitude
708.664 km
Semi-major axis
7,170.512 km
Eccentricity
0.01167
Inclination
50.0051°
RAAN
348.7435°
Arg. of periapsis
91.6074°
True anomaly
268.48421°
Mean anomaly
269.8218°
Eccentric anomaly
269.15298°
Mean motion
3.57452 °/min
Orbital period
100.71 mins
BSTAR
0.000035081
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