Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12885
Days in orbit
Revolutions
≈ 14.3
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: 1990-081CH
Object number (NORAD): 21911
Object ID (CCSDS): 21911
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.367 minutes
Inclination: 98.3664 deg
SMA: 7154.079 km
Apoapsis: 812.645 km
Periapsis: 739.243 km
RAAN: 356.7258 deg
Eccentricy: 0.0051301
Argument of periapsis: 86.7634 deg
Mean anomaly: 306.5361 deg
Mean motion: 14.34736582 rev/day
Mean motion (dot): 0.00001544 rev/day2
B* drag term: 0.00055163 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 7:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 11:58 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 21911U 90081CH 25345.99923001 .00001544 00000-0 55163-3 0 9991
TLE line 2: 2 21911 98.3664 356.7258 0051301 86.7634 306.5361 14.34736582823653
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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