Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12835
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for CZ-4 DEB.
Object identification
Identified? True
Debris? True
Object name: CZ-4 DEB
International designator: 1990-081T
Object number (NORAD): 20855
Object ID (CCSDS): 20855
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.191 minutes
Inclination: 98.8051 deg
SMA: 7240.505 km
Apoapsis: 880.464 km
Periapsis: 844.277 km
RAAN: 278.356 deg
Eccentricy: 0.00249888
Argument of periapsis: 82.8642 deg
Mean anomaly: 331.3791 deg
Mean motion: 14.09124732 rev/day
Mean motion (dot): -0.00000021 rev/day2
B* drag term: 0.000012554764 1/REarth
Two-line elements (TLE)
Creation date: Oct. 24, 2025, 2:48 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 10:12 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20855U 90081T 25296.92525914 -.00000021 00000-0 12555-4 0 9995
TLE line 2: 2 20855 98.8051 278.3560 0024989 82.8642 331.3791 14.09124732806033
Live tracking on map
Real-time ground track for satellite CZ-4 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object CZ-4 DEB.
Associated space launch
Chinese polar orbiting meteorological satellite
CZ-4 DEB was lifted into orbit during the mission ‘Long March 4A | Feng Yun 1B’, on board a Long March 4A space rocket.
The launch took place on Sept. 3, 1990, 12:53 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4A | Feng Yun 1B
Agency: N/A
Status: Launch Successful
Launch date: Sept. 3, 1990, 12:53 a.m. UTC
Rocket: Long March 4A
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
...
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