Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9396
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.4
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: 1999-057AC
Object number (NORAD): 26140
Object ID (CCSDS): 26140
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.599 minutes
Inclination: 99.3519 deg
SMA: 7069.839 km
Apoapsis: 793.623 km
Periapsis: 589.785 km
RAAN: 73.4562 deg
Eccentricy: 0.014416
Argument of periapsis: 258.5697 deg
Mean anomaly: 154.4458 deg
Mean motion: 14.60456045 rev/day
Mean motion (dot): 0.00005115 rev/day2
B* drag term: 0.00092317 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 3:30 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 26140U 99057AC 25185.64609775 .00005115 00000-0 92317-3 0 9995
TLE line 2: 2 26140 99.3519 73.4562 0144160 258.5697 154.4458 14.60456045323202
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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