Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9398
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.4
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: 1999-057MM
Object number (NORAD): 27492
Object ID (CCSDS): 27492
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.749 minutes
Inclination: 98.4316 deg
SMA: 7076.997 km
Apoapsis: 755.982 km
Periapsis: 641.743 km
RAAN: 235.3109 deg
Eccentricy: 0.0080711
Argument of periapsis: 13.9905 deg
Mean anomaly: 346.3503 deg
Mean motion: 14.58240669 rev/day
Mean motion (dot): 0.00002779 rev/day2
B* drag term: 0.00058606 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 1:35 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 27492U 99057MM 25187.56610956 .00002779 00000-0 58606-3 0 9998
TLE line 2: 2 27492 98.4316 235.3109 0080711 13.9905 346.3503 14.58240669272992
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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