Key statistics
Satellite XIWANG-1 (HOPE-1) at a glance.
Uptime
5621
Days in orbit
Revolutions
≈ 13.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.3
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: 100.3465 deg
SMA: 7576.547 km
Apoapsis: 1204.616 km
Periapsis: 1192.208 km
RAAN: 82.3243 deg
Eccentricy: 0.0008189
Argument of periapsis: 85.0584 deg
Mean anomaly: 275.1464 deg
Mean motion: 13.16423964 rev/day
Mean motion (dot): -0.00000011 rev/day2
B* drag term: 0.000086485 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 7:26 p.m. UTC
TLE line 0: 0 XIWANG-1 (HOPE-1)
TLE line 1: 1 36122U 09072B 25125.81021644 -.00000011 00000-0 86485-4 0 9991
TLE line 2: 2 36122 100.3465 82.3243 0008189 85.0584 275.1464 13.16423964739404
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.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
