Key statistics
Satellite XW-3 (CAS 9) at a glance.
Uptime
1290
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for XW-3 (CAS 9).
Object identification
Identified? True
Debris? False
Object name: XW-3 (CAS 9)
International designator: 2021-131B
Object number (NORAD): 50466
Object ID (CCSDS): 50466
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.942 minutes
Inclination: 98.5108 deg
SMA: 7133.858 km
Apoapsis: 759.397 km
Periapsis: 752.049 km
RAAN: 278.101 deg
Eccentricy: 0.000515
Argument of periapsis: 62.0081 deg
Mean anomaly: 298.1628 deg
Mean motion: 14.40841138 rev/day
Mean motion (dot): 0.00000353 rev/day2
B* drag term: 0.00012385 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 11:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:15 p.m. UTC
TLE line 0: 0 XW-3 (CAS 9)
TLE line 1: 1 50466U 21131B 25188.88595811 .00000353 00000-0 12385-3 0 9991
TLE line 2: 2 50466 98.5108 278.1010 0005150 62.0081 298.1628 14.40841138185522
Live tracking on map
Real-time ground track for satellite XW-3 (CAS 9).
In-orbit conjunctions
There are no conjunctions computed for XW-3 (CAS 9), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
ZY-1 02E is a Chinese Earth observation satellite. The primary objective is to acquire high-resolution (5 meter) panchromatic and multispectral imagery for land resource surveys, disaster monitoring, forestry and ecological monitoring.
XW-3 (CAS 9) was lifted into orbit during the mission ‘Long March 4C | Ziyuan 1-02E & CAS-9’, on board a Long March 4C space rocket.
The launch took place on Dec. 26, 2021, 3:11 a.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 4C | Ziyuan 1-02E & CAS-9
Agency: N/A
Status: Launch Successful
Launch date: Dec. 26, 2021, 3:11 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
China launches Ziyuan-1 02E satellite via Chang Zheng 4C
China has deployed a new Earth resources observation satellite Sunday via its Chang Zheng 4C rocket. The Ziyuan-1 02E satellite, along with an amateur radio CubeSat, lifted off from the Taiyuan Satellite Launch Center at 03:11 UTC (11:11 Beijing Time).
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