Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9341
Days in orbit
Revolutions
≈ 14.4
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: 1999-057ND
Object number (NORAD): 28073
Object ID (CCSDS): 28073
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.712 minutes
Inclination: 98.6496 deg
SMA: 7122.938 km
Apoapsis: 803.402 km
Periapsis: 686.204 km
RAAN: 173.0323 deg
Eccentricy: 0.0082268
Argument of periapsis: 37.6834 deg
Mean anomaly: 141.8779 deg
Mean motion: 14.44155596 rev/day
Mean motion (dot): 0.0000062 rev/day2
B* drag term: 0.00018722 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 5:27 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 9:01 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 28073U 99057ND 25129.87607429 .00000620 00000-0 18722-3 0 9993
TLE line 2: 2 28073 98.6496 173.0323 0082268 37.6834 141.8779 14.44155596172854
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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