Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9398
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
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: 1999-057SE
Object number (NORAD): 35326
Object ID (CCSDS): 35326
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.839 minutes
Inclination: 98.4887 deg
SMA: 7271.069 km
Apoapsis: 1059.097 km
Periapsis: 726.771 km
RAAN: 69.4876 deg
Eccentricy: 0.0228526
Argument of periapsis: 212.2546 deg
Mean anomaly: 146.4472 deg
Mean motion: 14.00249375 rev/day
Mean motion (dot): 0.00000043 rev/day2
B* drag term: 0.000044821 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 6:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 9:43 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 35326U 99057SE 25185.90541560 .00000043 00000-0 44821-4 0 9990
TLE line 2: 2 35326 98.4887 69.4876 0228526 212.2546 146.4472 14.00249375 51337
Live tracking on map
Real-time ground track for satellite CZ-4 DEB.
Associated space launch
The CBERS (China Brazil Earth Resources Satellite) or ZY 1 (Zi Yuan) satellites are designed for global coverage and include cameras to make optical observations and a data collecting system to gather data on the environment. They are unique systems due to the use of on-board sensors which combine features that are especially designed to resolve the broad range of space and time scales involved in the monitoring and preservation of the ecosystem. They are operated jointly by the China Centre for Resources Satellite Data and Application (CRESDA) and the Brazilian INPE (Instituto Nacional de Pesquisas Espaciais, National Institute of Space Research).
CZ-4 DEB was lifted into orbit during the mission ‘Long March 4B | Zi Yuan 1-1’, on board a Long March 4B space rocket.
The launch took place on Oct. 14, 1999, 3:15 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4B | Zi Yuan 1-1
Agency: N/A
Status: Launch Successful
Launch date: Oct. 14, 1999, 3:15 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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