Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9459
Days in orbit
Revolutions
≈ 14.8
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: 1999-057HN
Object number (NORAD): 26329
Object ID (CCSDS): 26329
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 97.311 minutes
Inclination: 98.3092 deg
SMA: 7008.136 km
Apoapsis: 666.648 km
Periapsis: 593.354 km
RAAN: 330.1407 deg
Eccentricy: 0.00522924
Argument of periapsis: 358.2145 deg
Mean anomaly: 121.916 deg
Mean motion: 14.7978617 rev/day
Mean motion (dot): 0.00011924 rev/day2
B* drag term: 0.0015534897 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 6:50 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 26329U 99057HN 25248.78522036 .00011924 00000-0 15535-2 0 9994
TLE line 2: 2 26329 98.3092 330.1407 0052292 358.2145 121.9160 14.79786170345160
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 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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