Key statistics
Satellite SHIYAN 2 (SY-2) at a glance.
Uptime
7638
Days in orbit
Revolutions
≈ 14.7
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for SHIYAN 2 (SY-2).
Object identification
Identified? True
Debris? False
Object name: SHIYAN 2 (SY-2)
International designator: 2004-046A
Object number (NORAD): 28479
Object ID (CCSDS): 28479
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 98.234 minutes
Inclination: 98.0654 deg
SMA: 7052.343 km
Apoapsis: 680.293 km
Periapsis: 668.123 km
RAAN: 299.2729 deg
Eccentricy: 0.00086285
Argument of periapsis: 315.9344 deg
Mean anomaly: 44.1172 deg
Mean motion: 14.65894167 rev/day
Mean motion (dot): 0.00001779 rev/day2
B* drag term: 0.00033400789 1/REarth
Two-line elements (TLE)
Creation date: Oct. 17, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 9:26 p.m. UTC
TLE line 0: 0 SHIYAN 2 (SY-2)
TLE line 1: 1 28479U 04046A 25289.89374433 .00001779 00000-0 33401-3 0 9999
TLE line 2: 2 28479 98.0654 299.2729 0008629 315.9344 44.1172 14.65894167114150
Live tracking on map
Real-time ground track for satellite SHIYAN 2 (SY-2).
In-orbit conjunctions
A list of the most updated potential collisions computed for object SHIYAN 2 (SY-2).
Associated space launch
Remote Sensing Technology..
SHIYAN 2 (SY-2) was lifted into orbit during the mission ‘Long March 2C | Shiyan Weixing 2’, on board a Long March 2 space rocket.
The launch took place on Nov. 18, 2004, 10:45 a.m. from Launch Complex 3 (LC-3/LA-1).
For more information about the launch, click the button.
Long March 2C | Shiyan Weixing 2
Agency: N/A
Status: Launch Successful
Launch date: Nov. 18, 2004, 10:45 a.m. UTC
Rocket: Long March 2
Launch pad: Launch Complex 3 (LC-3/LA-1)
Location: Xichang Satellite Launch Center, People's Republic of China
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