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left_on.gifKind of satellite
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spacer.gifsub_directry.gifADEOS AVNIR
spacer.gifsub_directry.gifADEOS OCTS
spacer.gifsub_directry.gifADEOS NSCAT
spacer.gifsub_directry.gifADEOS TOMS
spacer.gifsub_directry.gifADEOS POLDER
spacer.gifsub_directry.gifADEOS IMG
spacer.gifsub_directry.gifADEOS ILAS
spacer.gifsub_directry_end.gifADEOS RIS
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The objectives of ADEOS mission are to acquire data on worldwide environmental changes such as the green house effect, ozon layer depletion, tropical rain forest deforestation, and abnormal climatic conditions, in order to contribute to international global environmental monitoring and to develop platform bus technology, inter orbital data relay technology, etc. which are necessary for the development of future earth observation systems.

To make continuous, thorough observations of the entire earth surface and its atmospheres, the spacecraft carries two core sensors developed by NASDA: the Advanced Visible and Near Infrared Radiometer (AVNIR) and the Ocean Color and Temperature Sensor (OCTS). In addition, the spacecraft carries 6 Announcement of Opportunity (AO) sensors: the NASA Scatterometer (NSCAT) and Total Ozone Mapping Spectrometer (TOMS) provided by NASA, Polarization and Directionality of the Earth's Reflectance (POLDER) provided by CNES, the Interferometric Monitor for Greenhouse Gases (IMG) provided by the Ministry of the International Trade and Industries, and the Improved Limb Atmospheric Spectrometer (ILAS) and Retroreflector in Space (RIS) provided by Environment Agency of Japan.

ADEOS is a large satellite with a mass of approx. 3500 kg and a power generation capability of more than 4500 w. It is made up of thermally, electrically and mechanically independent units, which facilitate its integration and testing, including the Communications and Data Handling Subsystem (C&DH), the electrical Power Subsystem (EPS) and the Attitude and Orbital Control subsystem (AOCS). The satellite features an automatic, autonomous operation function capable of operating a large number of mission instruments, and inter orbital communication equipment to transmit observation data via data relay satellite.

In august 17 1996 01:53(UT), ADEOS launched into a sun synchronous sub-recurrent orbit of an altitude of approx. 830 km by an H-II launch vehicle from the Tanegashima Space Center.



AO sensor related information

NSCAT The Physical Oceanography Distributed Active Archive Center(PO.DAAC)
ILAS ILAS HOME PAGE (National Institute for Environmental Studies)
IMG Japan Resources Observation System Organization (Japanese only)
RIS RIS HOME PAGE (National Institute for Environmental Studies)

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