Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
9497
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: 101.538 minutes
Inclination: 98.7025 deg
SMA: 7209.642 km
Apoapsis: 858.897 km
Periapsis: 804.117 km
RAAN: 175.4824 deg
Eccentricy: 0.0037991
Argument of periapsis: 137.415 deg
Mean anomaly: 331.7527 deg
Mean motion: 14.18182818 rev/day
Mean motion (dot): 0.00000141 rev/day2
B* drag term: 0.000088909 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 5:50 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 25732U 99025C 25129.74325990 .00000141 00000-0 88909-4 0 9996
TLE line 2: 2 25732 98.7025 175.4824 0037991 137.4150 331.7527 14.18182818345083
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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