Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9462
Days in orbit
Revolutions
≈ 14.5
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: 1999-057KW
Object number (NORAD): 26449
Object ID (CCSDS): 26449
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.299 minutes
Inclination: 98.5486 deg
SMA: 7103.239 km
Apoapsis: 781.264 km
Periapsis: 668.944 km
RAAN: 309.1805 deg
Eccentricy: 0.00790625
Argument of periapsis: 20.2699 deg
Mean anomaly: 38.3664 deg
Mean motion: 14.50167466 rev/day
Mean motion (dot): 0.00001562 rev/day2
B* drag term: 0.00039846713 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 9:49 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 2:34 a.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 26449U 99057KW 25251.10726167 .00001562 00000-0 39847-3 0 9998
TLE line 2: 2 26449 98.5486 309.1805 0079062 20.2699 38.3664 14.50167466337660
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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