Key statistics
Satellite CZ-4B DEB at a glance.
Uptime
2509
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-4B DEB.
Object identification
Identified? True
Debris? True
Object name: CZ-4B DEB
International designator: 2018-081Q
Object number (NORAD): 57397
Object ID (CCSDS): 57397
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.097 minutes
Inclination: 99.3731 deg
SMA: 7141.267 km
Apoapsis: 904.487 km
Periapsis: 621.778 km
RAAN: 142.8829 deg
Eccentricy: 0.01979401
Argument of periapsis: 353.3133 deg
Mean anomaly: 6.5417 deg
Mean motion: 14.38599213 rev/day
Mean motion (dot): 0.00003896 rev/day2
B* drag term: 0.0010279786 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 3, 2025, 11:32 p.m. UTC
TLE line 0: 0 CZ-4B DEB
TLE line 1: 1 57397U 18081Q 25246.98111384 .00003896 00000-0 10280-2 0 9992
TLE line 2: 2 57397 99.3731 142.8829 0197940 353.3133 6.5417 14.38599213125826
Live tracking on map
Real-time ground track for satellite CZ-4B DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object CZ-4B DEB.
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 DEB 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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