Adeos 2

Advanced Earth Observing Satellite, also called Midori 2

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General

Designation	27597 / 02056A
Launch date	14 Dec 2002
Country of origin	Japan
Operator	NASDA
Mission	Remote sensing
Perigee/Apogee	803 km (sun synchronous)
Inclination	98.7°
Period	101 min
Cycle	41 days
Launch vehicle	H2A #11

Cost: $570 million.

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End of life

Out of service	24 Oct 2003
Cause	solar power failure
Decay

The satellite collected 7 months of Polder data. The Argos-next payload operated for only 6 months.

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External resources

http://www.nasda.go.jp/projects/sat/adeos2/index_e.html

http://adeos2.hq.nasda.go.jp/default_e.htm
http://sharaku.eorc.nasda.go.jp/ADEOS2/
sat-index articles

Technical data

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Specifications

Prime contractor	Mitsubishi
Platform
Mass at launch	3680 kg
Mass in orbit
Payload pass	1230 kg
Dimension	4 x 4 x 6 m
Solar array	3 x 24 m
Stabilization	3-axis
DC power	BOL: 6200 W EOL: 5350 W
Design lifetime	3 years

Downlink: 465.9875 or 468.875 MHz (EIRP > 27.1 dBm)
Uplink: 401.65 MHz

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Payloads

Global Imager (GLI): observes solar radiation reflected from Earth surface. 23 visible + near-IR and 13 far-IR channels. 1 km resolution.
Advanced Microwave Scanning Radiometer (AMSR): 8 frequency bands covering 6.9 to 89 GHz.

Improved Limb Atmospheric Spectrometer (ILAS 2): maps distribution of gases in the stratosphere
Polarization and Directionality of the Earth's reflectances (POLDER): measures the reflection of solar light by aerosols, clouds, oceans and land surfaces.
Seawinds: scatterometer that monitors wind speed and direction. 2 m/s accuracy.

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