Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12833
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.3
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: 1990-081W
Object number (NORAD): 20858
Object ID (CCSDS): 20858
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 98.895 minutes
Inclination: 98.2691 deg
SMA: 7083.984 km
Apoapsis: 728.106 km
Periapsis: 683.592 km
RAAN: 330.5103 deg
Eccentricy: 0.0031419
Argument of periapsis: 114.8057 deg
Mean anomaly: 358.4272 deg
Mean motion: 14.56083962 rev/day
Mean motion (dot): 0.00005887 rev/day2
B* drag term: 0.0013364 1/REarth
Two-line elements (TLE)
Creation date: Oct. 22, 2025, 12:06 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 4:26 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20858U 90081W 25294.68537492 .00005887 00000-0 13364-2 0 9994
TLE line 2: 2 20858 98.2691 330.5103 0031419 114.8057 358.4272 14.56083962831163
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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