Key statistics
Satellite CZ-4B R/B at a glance.
Uptime
1858
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.1
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: 2020-066B
Object number (NORAD): 46470
Object ID (CCSDS): 46470
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.714 minutes
Inclination: 66.0552 deg
SMA: 7170.588 km
Apoapsis: 934.941 km
Periapsis: 649.965 km
RAAN: 93.5755 deg
Eccentricy: 0.0198712
Argument of periapsis: 345.9745 deg
Mean anomaly: 13.5874 deg
Mean motion: 14.29784564 rev/day
Mean motion (dot): 0.0000013 rev/day2
B* drag term: 0.000072843 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 7:25 p.m. UTC
TLE line 0: 0 CZ-4B R/B
TLE line 1: 1 46470U 20066B 25294.80936147 .00000130 00000-0 72843-4 0 9997
TLE line 2: 2 46470 66.0552 93.5755 0198712 345.9745 13.5874 14.29784564265276
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 (Chinese: "Ocean"), abbreviated HY, is a marine remote sensing satellite series planned by China.
CZ-4B R/B was lifted into orbit during the mission ‘Long March 4B | Haiyang 2C’, on board a Long March 4B space rocket.
The launch took place on Sept. 21, 2020, 5:40 a.m. from Launch Area 4 (SLS-2 / 603).
For more information about the launch, click the button.

Long March 4B | Haiyang 2C
Agency: N/A
Status: Launch Successful
Launch date: Sept. 21, 2020, 5:40 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Area 4 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
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