Key statistics
Satellite SHIYAN 2 (SY-2) at a glance.
Uptime
7695
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: 98.221 minutes
Inclination: 98.0622 deg
SMA: 7051.727 km
Apoapsis: 681.096 km
Periapsis: 666.088 km
RAAN: 354.6282 deg
Eccentricy: 0.00106411
Argument of periapsis: 126.5976 deg
Mean anomaly: 233.6209 deg
Mean motion: 14.66086216 rev/day
Mean motion (dot): 0.00001728 rev/day2
B* drag term: 0.00032324899 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 6:31 a.m. UTC
TLE line 0: 0 SHIYAN 2 (SY-2)
TLE line 1: 1 28479U 04046A 25346.27172806 .00001728 00000-0 32325-3 0 9993
TLE line 2: 2 28479 98.0622 354.6282 0010641 126.5976 233.6209 14.66086216122412
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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