Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
9553
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: 101.537 minutes
Inclination: 98.6985 deg
SMA: 7209.599 km
Apoapsis: 857.918 km
Periapsis: 805.009 km
RAAN: 230.3377 deg
Eccentricy: 0.0036694
Argument of periapsis: 339.5684 deg
Mean anomaly: 128.555 deg
Mean motion: 14.18195617 rev/day
Mean motion (dot): 0.0000004 rev/day2
B* drag term: 0.000040434 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 5:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 4:34 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 25732U 99025C 25185.69088219 .00000040 00000-0 40434-4 0 9991
TLE line 2: 2 25732 98.6985 230.3377 0036694 339.5684 128.5550 14.18195617353153
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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