Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12786
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.4
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: 1990-081BQ
Object number (NORAD): 20904
Object ID (CCSDS): 20904
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.837 minutes
Inclination: 98.4171 deg
SMA: 7081.173 km
Apoapsis: 713.767 km
Periapsis: 692.309 km
RAAN: 251.324 deg
Eccentricy: 0.00151515
Argument of periapsis: 255.627 deg
Mean anomaly: 123.7141 deg
Mean motion: 14.56951052 rev/day
Mean motion (dot): 0.0000766 rev/day2
B* drag term: 0.0017120662 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 6:32 a.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20904U 90081BQ 25247.27288512 .00007660 00000-0 17121-2 0 9991
TLE line 2: 2 20904 98.4171 251.3240 0015152 255.6270 123.7141 14.56951052816726
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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