Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9505
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.7
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: 1999-057MV
Object number (NORAD): 27762
Object ID (CCSDS): 27762
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.415 minutes
Inclination: 98.6666 deg
SMA: 7203.81 km
Apoapsis: 946.981 km
Periapsis: 704.369 km
RAAN: 51.9839 deg
Eccentricy: 0.0168391
Argument of periapsis: 54.8825 deg
Mean anomaly: 95.7944 deg
Mean motion: 14.19905326 rev/day
Mean motion (dot): 0.00001775 rev/day2
B* drag term: 0.00074269 1/REarth
Two-line elements (TLE)
Creation date: Oct. 22, 2025, 12:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 7:21 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 27762U 99057MV 25294.80633595 .00001775 00000-0 74269-3 0 9996
TLE line 2: 2 27762 98.6666 51.9839 0168391 54.8825 95.7944 14.19905326229272
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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