Key statistics
Satellite CZ-3B R/B at a glance.
Uptime
31
Days in orbit
Revolutions
≈ 2.4
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
28.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-3B R/B.
Object identification
Identified? True
Debris? False
Object name: CZ-3B R/B
International designator: 2025-290B
Object number (NORAD): 66991
Object ID (CCSDS): 66991
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
Orbital parameters
Period: 604.056 minutes
Inclination: 28.4636 deg
SMA: 23670.722 km
Apoapsis: 34432.282 km
Periapsis: 152.892 km
RAAN: 300.4666 deg
Eccentricy: 0.7240884
Argument of periapsis: 182.7002 deg
Mean anomaly: 168.625 deg
Mean motion: 2.38388611 rev/day
Mean motion (dot): 0.00057911 rev/day2
B* drag term: 0.00075879 1/REarth
Two-line elements (TLE)
Creation date: Dec. 15, 2025, 10:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 15, 2025, 5:23 p.m. UTC
TLE line 0: 0 CZ-3B R/B
TLE line 1: 1 66991U 25290B 25349.72468800 .00057911 -20514-6 75879-3 0 9998
TLE line 2: 2 66991 28.4636 300.4666 7240884 182.7002 168.6250 2.38388611 165
Live tracking on map
Real-time ground track for satellite CZ-3B R/B.
In-orbit conjunctions
There are no conjunctions computed for CZ-3B R/B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.
CZ-3B R/B was lifted into orbit during the mission ‘Long March 3B/E | TJSW-22’, on board a Long March 3B/E space rocket.
The launch took place on Dec. 9, 2025, 3:08 p.m. from Launch Complex 3 (LC-3/LA-1).
For more information about the launch, click the button.
Long March 3B/E | TJSW-22
Agency: N/A
Status: Launch Successful
Launch date: Dec. 9, 2025, 3:08 p.m. UTC
Rocket: Long March 3B/E
Launch pad: Launch Complex 3 (LC-3/LA-1)
Location: Xichang Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
Triple Long March launches mark record day for Chinese space program
Tokyo, Japan (SPX) Dec 11, 2025 China Aerospace Science and Technology Corp (CASC) has achieved three orbital launches with Long March rockets in a single day, setting a new mark for the country's spaceflight cadence. The first mission lifted off...
China launches new TJS satellite, commercial Kinetica-1 lofts 9 spacecraft
China continued a surge in launch activity with a pair of missions Tuesday, adding to an opaque satellite series and launching new remote sensing satellites. The post China launches new TJS satellite, commercial Kinetica-1 lofts 9 spacecraft appeared fir...
Launch Roundup: China, Russia, Rocket Lab, ULA join SpaceX in flying this week
The upcoming launch week, starting on Monday, Dec. 8, is a very busy one as… The post Launch Roundup: China, Russia, Rocket Lab, ULA join SpaceX in flying this week appeared first on NASASpaceFlight.com.
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