Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9345
Days in orbit
Revolutions
≈ 14.6
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: 1999-057SN
Object number (NORAD): 35334
Object ID (CCSDS): 35334
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.76 minutes
Inclination: 98.4757 deg
SMA: 7077.521 km
Apoapsis: 745.978 km
Periapsis: 652.793 km
RAAN: 189.5683 deg
Eccentricy: 0.0065832
Argument of periapsis: 165.7277 deg
Mean anomaly: 194.5801 deg
Mean motion: 14.58079007 rev/day
Mean motion (dot): 0.00002761 rev/day2
B* drag term: 0.00059299 1/REarth
Two-line elements (TLE)
Creation date: May 14, 2025, 5:20 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 14, 2025, 9:31 a.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 35334U 99057SN 25134.39707389 .00002761 00000-0 59299-3 0 9992
TLE line 2: 2 35334 98.4757 189.5683 0065832 165.7277 194.5801 14.58079007 10256
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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