ADEOS-II

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Instrument Specification
  • SeaWinds – A Ku-band (13.4 GHz) Scatterometer featuring a circular dish antenna, which provides pencil-beam radar backscatter measurements. It’s primary purpose is to provide all-weather ocean surface wind vector measurements over the ice-free global oceans.
  • Swath width – 1800 km
  • Altitude above Equator – 802.4 km
  • Local Time at Ascending Node - 5:30 to 6:30 AM
  • Orbit Period – 101 minutes
  • Orbit Inclination – 98.616°
  • Repeat Period – 4 days
     
Mission Specification

adeos-2

The second Advanced Earth Observing Satellite (ADEOS-II) was as a NASDA/NASA/JPL partner mission launched on December 14, 2002. By April 10, 2003 the SeaWinds scattorometer on ADEOS-II began to provide science quality measurements to derive ocean surface wind velocity observations. ADEOS-II suffered a premature power failure on October 24, 2003, which resulted in the termination of the ADEOS-II mission. SeaWinds on ADEOS-II provided the same 90% daily global ice-free ocean coverage as QuikSCAT, allowing for a tandem collection of high quality wind vector observations for more than 6 months.