Key statistics
Satellite XIWANG-1 (HOPE-1) at a glance.
Uptime
5746
Days in orbit
Revolutions
≈ 13.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for XIWANG-1 (HOPE-1).
Object identification
Identified? True
Debris? False
Object name: XIWANG-1 (HOPE-1)
International designator: 2009-072B
Object number (NORAD): 36122
Object ID (CCSDS): 36122
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 109.387 minutes
Inclination: 100.3574 deg
SMA: 7576.532 km
Apoapsis: 1204.199 km
Periapsis: 1192.595 km
RAAN: 204.8051 deg
Eccentricy: 0.00076577
Argument of periapsis: 154.0474 deg
Mean anomaly: 206.1025 deg
Mean motion: 13.16427802 rev/day
Mean motion (dot): -0.00000007 rev/day2
B* drag term: 0.000097992232 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 9:44 p.m. UTC
TLE line 0: 0 XIWANG-1 (HOPE-1)
TLE line 1: 1 36122U 09072B 25250.90609469 -.00000007 00000-0 97992-4 0 9997
TLE line 2: 2 36122 100.3574 204.8051 0007658 154.0474 206.1025 13.16427802755868
Live tracking on map
Real-time ground track for satellite XIWANG-1 (HOPE-1).
In-orbit conjunctions
There are no conjunctions computed for XIWANG-1 (HOPE-1), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Believed to be a surveillance satellite to track and locate naval ships.
XIWANG-1 (HOPE-1) was lifted into orbit during the mission ‘Long March 4C | Yaogan Weixing 8’, on board a Long March 4C space rocket.
The launch took place on Dec. 15, 2009, 2:31 a.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 4C | Yaogan Weixing 8
Agency: N/A
Status: Launch Successful
Launch date: Dec. 15, 2009, 2:31 a.m. UTC
Rocket: Long March 4C
Launch pad: Launch Complex 9
Location: Taiyuan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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