Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12727
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: 98.879 minutes
Inclination: 98.4129 deg
SMA: 7083.19 km
Apoapsis: 718.302 km
Periapsis: 691.807 km
RAAN: 192.0501 deg
Eccentricy: 0.0018703
Argument of periapsis: 79.9638 deg
Mean anomaly: 39.378 deg
Mean motion: 14.5632882 rev/day
Mean motion (dot): 0.00003801 rev/day2
B* drag term: 0.00086611 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 1:25 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20904U 90081BQ 25188.55908075 .00003801 00000-0 86611-3 0 9993
TLE line 2: 2 20904 98.4129 192.0501 0018703 79.9638 39.3780 14.56328820808172
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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