CBERS-2 (Zi Yuan-1 2)

China (PR)/Brasil

Spacecraft nº:

China spacecraft nº: 79 / Brazilian spacecraft nº: 16
CBERS-2= China-Brazil Earth Resources Satellite. Also called: ZY-1B

Launch data:

Designation28057 / 03049A
Launch date21 Oct 2003 - 03:16 UT
Launch site Taiyuan, LC1
Launch vehicle  Chang Zheng-4B (CZ4B-6 #72)
MissionGovernment/Commercial: Remote sensing
Sun-Synchronous LEO Earth orbit on:
Perigee / Apogee 773 x 774 km
Eccentricity 7.00E-05
Inclination 98.5 deg
Period 100.31 min
repeat period: 20 days

Once operational, the satellite will be controlled by China for one and a half years, with the rest of time being handled by Brazil.

Specifications:

Prime contractorCASC/INPE
Platform  
OperatorChinese Academy of Space Technology / Institutio Nacional de Pesquisas Espacias
Mass at launch 1447 kg
Mass in orbit  
Dimension 1.8 x 1.9 m
Solar array 8.3 x 3.3 m
Stabilization 3-axis
DC power 1100 W
Design lifetime 3 years

Downlink freq: 180.014 & 480.040 MHz

5-channel linear CCD detector (visible, IR, panchromatic)

Wavebands 0.59-0.89 µm
0.5-12.9 µm
Swath width 113 km
Resolution Visible: 19 m
IR: 80 m
Sideway pointing: +/- 32°

Wide-field imager

Wavebands 0.66 µm (green)
0.83 µm (near IR)
Resolution 260 m
Swath width 890 km

Infrared Multispectral Scanner (IR-MSS)

Wavebands 4 bands including thermal
Swath width 120 km
Resolution IR: 80 m
Thermal: 160 m

General illustration of a CBERS spacecraft (image credit: INPE)


Sideway pointing: +/- 32°
Mission: China for 18 months/Brazil remaining 6 months or more, environmental observation, agriculture and water pollution.

External links:

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