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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: 8 hours ago

TLE from 8 hours ago
0 SHIYAN 27A
1 63599U 25078A   25256.95372204 -.00000002  00000-0  59294-4 0  9992
2 63599  99.6939 263.3319 0000864  76.0075 284.1159 13.57212670 20061
Epoch: 2025-09-13T22:53Z
TLE epoch observation values (Epoch: 2025-09-13T22:53:21.584Z)
Latitude
-0.00005°
Longitude
-73.18771°
Altitude
1,048.478 km
Speed
7.328 km/s
True Right ascension
17h 33m 19s
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
23:17:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.772 km
Perigee altitude
1,042.489 km
Semi-major axis
7,421.268 km
Eccentricity
0.00009
Inclination
99.6939°
RAAN
263.3319°
Arg. of periapsis
76.0075°
True anomaly
284.1063°
Mean anomaly
284.1159°
Eccentric anomaly
284.1111°
Mean motion
3.39489 °/min
Orbital period
106.04 mins
BSTAR
0.000059294
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