CBERS 2

Also called Zi Yuan 1B

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General

Designation	28057 / 03049A
Launch date	21 Oct 2003
Country of origin	China / Brazil
Mission	Remote sensing
Perigee/Apogee	778 km, sun-synchronous
Inclination	98.5°
Period	repeat period: 20 days
Launch vehicle	Long March #70

The satellite is controlled by China for half a year, with the rest of time being handled by Brazil. Beazil paid 30% of the cost of the satellite.

In 2006, the satellite experiences power shortage which leads to switch off the main camera for some time.

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External resources

sat-index articles

Technical data

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Specifications

Prime contractor	CASC/INPE
Platform
Mass at launch	1450 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	2 years

Downlink freq: 180.014 & 480.040 MHz

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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°

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Wide-field imager

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

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Infrared Multispectral Scanner (IR-MSS)

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

Sideway pointing: +/- 32°

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