Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
9715
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-4B R/B.
Object identification
Identified? True
Debris? False
Object name: CZ-4B R/B
International designator: 1999-025C
Object number (NORAD): 25732
Object ID (CCSDS): 25732
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.534 minutes
Inclination: 98.6768 deg
SMA: 7209.435 km
Apoapsis: 857.477 km
Periapsis: 805.123 km
RAAN: 28.9351 deg
Eccentricy: 0.0036309
Argument of periapsis: 231.2507 deg
Mean anomaly: 239.5961 deg
Mean motion: 14.1824389 rev/day
Mean motion (dot): 0.00000129 rev/day2
B* drag term: 0.000083159275 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 4:13 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 25732U 99025C 25347.67607461 .00000129 00000-0 83159-4 0 9994
TLE line 2: 2 25732 98.6768 28.9351 0036309 231.2507 239.5961 14.18243890375970
Live tracking on map
Real-time ground track for satellite CZ-4B R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object CZ-4B R/B.
Associated space launch
Chinese polar orbiting meteorological satellite
CZ-4B R/B was lifted into orbit during the mission ‘Long March 4B | Feng Yun 1C’, on board a Long March 4B space rocket.
The launch took place on May 10, 1999, 1:33 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4B | Feng Yun 1C
Agency: N/A
Status: Launch Successful
Launch date: May 10, 1999, 1:33 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
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