Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12886
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: 102.19 minutes
Inclination: 98.8099 deg
SMA: 7240.452 km
Apoapsis: 879.073 km
Periapsis: 845.561 km
RAAN: 327.8547 deg
Eccentricy: 0.00231424
Argument of periapsis: 301.2478 deg
Mean anomaly: 167.2624 deg
Mean motion: 14.09140416 rev/day
Mean motion (dot): 0.00000106 rev/day2
B* drag term: 0.000086129262 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 1:30 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20855U 90081T 25347.56261936 .00000106 00000-0 86129-4 0 9994
TLE line 2: 2 20855 98.8099 327.8547 0023142 301.2478 167.2624 14.09140416813165
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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