Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9399
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.6
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: 1999-057DY
Object number (NORAD): 26234
Object ID (CCSDS): 26234
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.967 minutes
Inclination: 98.5847 deg
SMA: 7087.396 km
Apoapsis: 716.468 km
Periapsis: 702.054 km
RAAN: 293.7426 deg
Eccentricy: 0.0010169
Argument of periapsis: 236.5661 deg
Mean anomaly: 245.7303 deg
Mean motion: 14.55032655 rev/day
Mean motion (dot): 0.00000437 rev/day2
B* drag term: 0.00011274 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 8:40 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 26234U 99057DY 25188.86176712 .00000437 00000-0 11274-3 0 9991
TLE line 2: 2 26234 98.5847 293.7426 0010169 236.5661 245.7303 14.55032655340231
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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