Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12781
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.7
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: 1990-081Q
Object number (NORAD): 20852
Object ID (CCSDS): 20852
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.942 minutes
Inclination: 98.6733 deg
SMA: 7181.37 km
Apoapsis: 815.968 km
Periapsis: 790.503 km
RAAN: 229.4334 deg
Eccentricy: 0.00177301
Argument of periapsis: 354.1659 deg
Mean anomaly: 5.9312 deg
Mean motion: 14.26565691 rev/day
Mean motion (dot): 0.0000378 rev/day2
B* drag term: 0.0015820415 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 9:02 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20852U 90081Q 25242.87677084 .00003780 00000-0 15820-2 0 9993
TLE line 2: 2 20852 98.6733 229.4334 0017730 354.1659 5.9312 14.26565691804325
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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