Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
9458
Days in orbit
Revolutions
≈ 14.7
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: 1999-057MP
Object number (NORAD): 27536
Object ID (CCSDS): 27536
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.23 minutes
Inclination: 98.4937 deg
SMA: 7052.196 km
Apoapsis: 692.457 km
Periapsis: 655.665 km
RAAN: 269.6486 deg
Eccentricy: 0.00260855
Argument of periapsis: 257.8611 deg
Mean anomaly: 131.5772 deg
Mean motion: 14.65940065 rev/day
Mean motion (dot): 0.00006655 rev/day2
B* drag term: 0.0012188844 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 12:36 a.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 27536U 99057MP 25247.02547664 .00006655 00000-0 12189-2 0 9992
TLE line 2: 2 27536 98.4937 269.6486 0026086 257.8611 131.5772 14.65940065242765
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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