Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
2450
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.4
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: 2018-081B
Object number (NORAD): 43656
Object ID (CCSDS): 43656
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.583 minutes
Inclination: 99.3928 deg
SMA: 7164.336 km
Apoapsis: 933.293 km
Periapsis: 639.109 km
RAAN: 75.2406 deg
Eccentricy: 0.0205311
Argument of periapsis: 174.9685 deg
Mean anomaly: 185.3626 deg
Mean motion: 14.31656562 rev/day
Mean motion (dot): 0.00000062 rev/day2
B* drag term: 0.000035734 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 10:06 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 43656U 18081B 25189.92126686 .00000062 00000-0 35734-4 0 9991
TLE line 2: 2 43656 99.3928 75.2406 0205311 174.9685 185.3626 14.31656562350189
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
Haiyang is a series of Chinese marine remote sensing satellites. Haiyang 2B is a follow up to Haiyang 2A satellite. It is intended for monitoring the dynamic ocean environnement with microwave sensors to detect sea surface wind field, sea surface height and sea surface temperature.
CZ-4B R/B was lifted into orbit during the mission ‘Long March 4B | Haiyang 2B’, on board a Long March 4B space rocket.
The launch took place on Oct. 24, 2018, 10:57 p.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 4B | Haiyang 2B
Agency: N/A
Status: Launch Successful
Launch date: Oct. 24, 2018, 10:57 p.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 9
Location: Taiyuan Satellite Launch Center, People's Republic of China
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