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SHIYAN 27A, 63599

Orbit data source: Space-Track

SHIYAN 27A, 63599 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). 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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Identifier
63599, 2025-078A
Orbit
SSO
Country
Flag of CNCN / PRC
Related business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
2025-04-18 (5 months ago)
Launch vehicle
CHANG ZHENG 6A
Launch site
Taiyaun Space Center, China (TSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago
0 SHIYAN 27A
1 63599U 25078A   25256.29025705 -.00000004  00000-0  55909-4 0  9991
2 63599  99.6939 262.6783 0000874  75.7223 284.4012 13.57212597 19977
Epoch: 2025-09-13T06:57Z
TLE epoch observation values (Epoch: 2025-09-13T06:57:58.209Z)
Latitude
-0.00004°
Longitude
165.66003°
Altitude
1,048.474 km
Speed
7.328 km/s
True Right ascension
17h 30m 42s
True Declination
0° 00' 00"
Sunlit
Object was in daylight 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
19:03:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.78 km
Perigee altitude
1,042.482 km
Semi-major axis
7,421.268 km
Eccentricity
0.00009
Inclination
99.6939°
RAAN
262.6783°
Arg. of periapsis
75.7223°
True anomaly
284.3915°
Mean anomaly
284.4012°
Eccentric anomaly
284.39635°
Mean motion
3.39489 °/min
Orbital period
106.04 mins
BSTAR
0.000055909
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