ALOS Data Users Handbook

Section 3 Outline of ALOS Satellite SystemTable 3.1-1 ALOS Main SpecificationsLaunchOrbitMission InstrumentsMission DataHandling SystemIOCS SystemDirect TransmissionItemSpecificationVehicleH-IIADate January 24, 2006SiteYoshinobu Launch Site, Tanegashima Space CenterTypeSun-Synchronous SubrecurrentLocal Time at DN10:30 AM ± 15min.Altitude691.65km (above equator)Inclination98.16 degreeOrbital Period98.7 min.Revolutions per day14+27/46rev./dayRecurrent Period46 daysLongitude Repeatability+/-2.5km (above equator)Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM)Earth Observation Advanced Visible and Near Infrared Radiometer type 2 (AVNIR-2)Phased Array type L-band Synthetic Aperture Radar (PALSAR)Other Technical Data Acquisition Equipment (TEDA)Data CompressionPRISM:1/4.5, 1/9 (Non-Reversible compression)AVNIR-2:3/4 (Reversible compression)Multiplex MethodCCSDS MultiplexHigh Speed Solid State Recorder (HSSR) 1 set-Recording capacity: over 96GB-Recording speed: 360/240/120Mbps (selectable)Data Recording and -Reproducing speed: 240/120Mbps (selectable)Reproducing Low Speed Solid State Recorder (LSSR) 1 set-Recording capacity: 1GB (0.5GB x 2 partitions)-Recording speed: 40kbps-Reproducing speed: 16MbpsTransmission: 26.1GHzKa bandReceiving: 23.540GHzTransmission rate (symbol rate / data rate):For DRTS 277.52Msps / 240MbpsS bandTransmission: 2220.00MHzReceiving: 2044.25MHzFrequency: 8105MHzX band Transmission rate (symbol rate / data rate):138.76Msps / 120MbpsUSBTransmission: 2220.00MHzReceiving: 2044.25MHz3-2