Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9502
Days in orbit
Revolutions
≈ 14.5
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: 1999-057KT
Object number (NORAD): 26446
Object ID (CCSDS): 26446
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.45 minutes
Inclination: 98.5844 deg
SMA: 7110.436 km
Apoapsis: 800.603 km
Periapsis: 663.998 km
RAAN: 355.6561 deg
Eccentricy: 0.00960596
Argument of periapsis: 130.4657 deg
Mean anomaly: 230.496 deg
Mean motion: 14.47966263 rev/day
Mean motion (dot): 0.0000402 rev/day2
B* drag term: 0.001034288 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 8:46 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 26446U 99057KT 25291.86593720 .00004020 00000-0 10343-2 0 9990
TLE line 2: 2 26446 98.5844 355.6561 0096060 130.4657 230.4960 14.47966263336116
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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