Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
8090
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
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: 2003-049F
Object number (NORAD): 35379
Object ID (CCSDS): 35379
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 103.524 minutes
Inclination: 98.7895 deg
SMA: 7303.322 km
Apoapsis: 1052.388 km
Periapsis: 797.986 km
RAAN: 189.9602 deg
Eccentricy: 0.0174169
Argument of periapsis: 36.6479 deg
Mean anomaly: 353.9137 deg
Mean motion: 13.90983867 rev/day
Mean motion (dot): 0.00000686 rev/day2
B* drag term: 0.00051215307 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 12:17 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 35379U 03049F 25347.51187733 .00000686 00000-0 51215-3 0 9996
TLE line 2: 2 35379 98.7895 189.9602 0174169 36.6479 353.9137 13.90983867100267
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
The satellite is China's first operational civilian remote-sensing satellite, specifically designed for the Chinese Ministry of Land and Resources (MLR).
CZ-4 DEB was lifted into orbit during the mission ‘Long March 4B | Zi Yuan 1-2’, on board a Long March 4B space rocket.
The launch took place on Oct. 21, 2003, 3:16 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4B | Zi Yuan 1-2
Agency: N/A
Status: Launch Successful
Launch date: Oct. 21, 2003, 3:16 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
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