Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12843
Days in orbit
Revolutions
≈ 14.2
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: 1990-081M
Object number (NORAD): 20849
Object ID (CCSDS): 20849
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.529 minutes
Inclination: 98.6593 deg
SMA: 7209.179 km
Apoapsis: 860.624 km
Periapsis: 801.464 km
RAAN: 285.0422 deg
Eccentricy: 0.0041031
Argument of periapsis: 36.5095 deg
Mean anomaly: 323.8866 deg
Mean motion: 14.18319332 rev/day
Mean motion (dot): 0.00002071 rev/day2
B* drag term: 0.0010175 1/REarth
Two-line elements (TLE)
Creation date: Oct. 31, 2025, 11:06 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 31, 2025, 8:03 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20849U 90081M 25304.83568370 .00002071 00000-0 10175-2 0 9991
TLE line 2: 2 20849 98.6593 285.0422 0041031 36.5095 323.8866 14.18319332803591
Live tracking on map
Real-time ground track for satellite 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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