CBERS 1

China (PR)/Brazil

Spacecraft nº:

China spacecraft nº: 62 / Brazilian spacecraft nº: 10

Also called Zi Yuan 1A (ZY-1A) - CBERS= China-Brazil Earth Resources Satellite

Launch data:

Designation 25940 / 99057A
Launch date14 Oct 1999
Launch site Taiyuan
Launch vehicleCZ-4B (#56)
MissionRemote sensing, Earth observation
Sun-Synchronous Earth orbit:
Perigee/Apogee 732/745 km, sun-synchronous
Inclination 98.6°
Period repeat period: 20 days

Worth $150 million

Controlled from both Chinese and Brazilian ground stations. The WFI instrument failed after only 6 months.

Specifications:

Prime contractor CASC/INPE
Platform Phoenix-Exe-1 bus
Mass at launch 1450 kg
Mass in orbit  
Dimension 1.8 x 1.9 m
Equipment CCD, WFI, IRMSS (#1, 2) HRC (#2B)
Solar array 1 Deployable solar array (8.3 x 3.3 m)
Stabilization  3-axis
Propulsion 16 × 1 N; 2 × 20 N
DC power  
Design lifetime  2 yrs

Chinese technicians examining the ZY-1 spacecraft at CAST (image credit: CAST)


Downlink freq: 180.011, 462.5 and 480.025 MHz. Other frequencies registered are 401.63, 2204.4, 2267.515, 8210 & 8209 MHz

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

Wavebands 0.59-0.89 µm
0.5-12.9 µm
Swath width 120 km
Resolution Visible: 19 m
IR: 80 m

Wide-field imager

Resolution 260 m
Swath width 900 km

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


External links:

Ref.: #14, #242 - update: 24.01.15 Home