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SHIYAN 12 02 (SY-12 02), 50322

Orbit data source: Space-Track

SHIYAN 12 02 (SY-12 02), 50322 is a payload satellite owned by CAST (CN) in GEO that was launched on Thu, 23 Dec 2021 UTC via a CHANG ZHENG 7A launch vehicle from the Wenchang Satellite Launch Center (WSC). 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.

Not visible in the next 10 days
Identifier
50322, 2021-129B
Orbit
GEO
Country
Flag of CNCN / PRC
Related business
Manufacturer
CAST
Mission
Operational Defense Technology
Bus & Motor
XYZ, Unknown motor
Mass
~3,000 kg wet, ~2,000 kg dry
Launch date (UTC)
2021-12-23 (5 years ago)
Launch vehicle
CHANG ZHENG 7A
Launch site
Wenchang Satellite Launch Center (WSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 4.5 m
Radar Cross Section
24.336 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago
0 SHIYAN 12 02 (SY-12 02)
1 50322U 21129B   26198.77540042 -.00000372  00000-0  00000+0 0  9994
2 50322   3.7507  79.4976 0003144  68.7419 178.7607  1.00476084 16806
Epoch: 2026-07-17T18:36Z
TLE epoch observation values (Epoch: 2026-07-17T18:36:34.596Z)
Latitude
-3.48971°
Longitude
112.23582°
Altitude
35,742.714 km
Speed
3.076 km/s
True Right ascension
21h 47m 54s
True Declination
-3° 29' 10"
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
15:14:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,743.724 km
Perigee altitude
35,717.246 km
Semi-major axis
42,108.622 km
Eccentricity
0.00031
Inclination
3.7507°
RAAN
79.4976°
Arg. of periapsis
68.7419°
True anomaly
178.76148°
Mean anomaly
178.7607°
Eccentric anomaly
178.76109°
Mean motion
0.25118 °/min
Orbital period
1,433.23 mins
BSTAR
0
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Other satellites on launch #129 in the year 2021 (2021-12-23 UTC)

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