Key statistics
Satellite CZ-3B R/B at a glance.
Uptime
28
Days in orbit
Revolutions
≈ 2.3
Per day
Orbit
GTO
Geostationary Transfer Orbit
Inclination
19.2
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: 2025-073B
Object number (NORAD): 63525
Object ID (CCSDS): 63525
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 634.95 minutes
Inclination: 19.1803 deg
SMA: 24471.071 km
Apoapsis: 36040.032 km
Periapsis: 145.84 km
RAAN: 77.8726 deg
Eccentricy: 0.7334005
Argument of periapsis: 198.8528 deg
Mean anomaly: 103.9598 deg
Mean motion: 2.26789685 rev/day
Mean motion (dot): 0.00090582 rev/day2
B* drag term: 0.00071761 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 3:01 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 7, 2025, 3:56 a.m. UTC
TLE line 0: 0 CZ-3B R/B
TLE line 1: 1 63525U 25073B 25127.16397998 .00090582 -45757-6 71761-3 0 9991
TLE line 2: 2 63525 19.1803 77.8726 7334005 198.8528 103.9598 2.26789685 597
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-17’, on board a Long March 3 space rocket.
The launch took place on April 10, 2025, 4:47 p.m. from Launch Complex 3 (LC-3/LA-1).
For more information about the launch, click the button.
Long March 3B/E | TJSW-17
Agency: N/A
Status: Launch Successful
Launch date: April 10, 2025, 4:47 p.m. UTC
Rocket: Long March 3
Launch pad: Launch Complex 3 (LC-3/LA-1)
Location: Xichang Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
China launches TJS-17, expanding classified geostationary satellite series
China launched Thursday what appears to be the third satellite for a subset of classified, experimental satellites bound for geosynchronous orbit. The post China launches TJS-17, expanding classified geostationary satellite series appeared first on Space...
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