Key statistics
Satellite SJ-30B at a glance.
Uptime
23
Days in orbit
Revolutions
≈ 15.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
51.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for SJ-30B.
Object identification
Identified? True
Debris? False
Object name: SJ-30B
International designator: 2025-266B
Object number (NORAD): 66546
Object ID (CCSDS): 66546
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
Orbital parameters
Period: 95.025 minutes
Inclination: 51.7965 deg
SMA: 6897.953 km
Apoapsis: 527.038 km
Periapsis: 512.598 km
RAAN: 336.4918 deg
Eccentricy: 0.00104668
Argument of periapsis: 356.7225 deg
Mean anomaly: 3.3681 deg
Mean motion: 15.15383065 rev/day
Mean motion (dot): 0.00018391 rev/day2
B* drag term: 0.00097473372 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 11:12 p.m. UTC
TLE line 0: 0 SJ-30B
TLE line 1: 1 66546U 25266B 25345.96668340 .00018391 00000-0 97473-3 0 9994
TLE line 2: 2 66546 51.7965 336.4918 0010467 356.7225 3.3681 15.15383065 3465
Live tracking on map
Real-time ground track for satellite SJ-30B.
In-orbit conjunctions
There are no conjunctions computed for SJ-30B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
3 Chinese satellites described as for “Space Environment Measurements” purposes. Actual usage not known.
SJ-30B was lifted into orbit during the mission ‘Long March 2C | Shijian 30 A-C’, on board a Long March 2 space rocket.
The launch took place on Nov. 19, 2025, 4:01 a.m. from Launch Area 94 (SLS-2 / 603).
For more information about the launch, click the button.
Long March 2C | Shijian 30 A-C
Agency: N/A
Status: Launch Successful
Launch date: Nov. 19, 2025, 4:01 a.m. UTC
Rocket: Long March 2
Launch pad: Launch Area 94 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
China launches TJS-21 towards Molniya orbit, lofts trio of Shijian-30 spacecraft
China conducted a pair of launches last week, adding new spacecraft to its opaque TJS and Shijian satellite series. The post China launches TJS-21 towards Molniya orbit, lofts trio of Shijian-30 spacecraft appeared first on SpaceNews.
New satellites boost China's orbital technology capabilities
Tokyo, Japan (SPX) Nov 20, 2025 China launched three multifunctional satellites into orbit on Wednesday using a Long March 2C carrier rocket, according to China Aerospace Science and Technology Corp (CASC). Designated Shijian 30A, 30B, and 30C, the s...
Launch Roundup: Innospace to debut new rocket, SpaceX to launch five Falcon 9 missions
Another busy week of launches has arrived, with SpaceX planning to launch five Falcon 9… The post Launch Roundup: Innospace to debut new rocket, SpaceX to launch five Falcon 9 missions appeared first on NASASpaceFlight.com.
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