ETS 8

Also called ETS N or Kiku 8

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General

Designation	29656 / 06059A
Launch date	18 Dec 2006
Country of origin	Japan
Mission	Telecommunications, experimental
Geostationary orbit	146°E
Launch vehicle	H2A #18

One of the telecom payload developed problems after launch. The main mobility with handheld devices experiment will not be doable.

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Location

Begin	End	Position
L: Dec 2006	May 2010	146°E
May 2010	Jan 2017	146°E, inclined

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End of life

Out of service	Jan 2017
Cause	Sent to junk orbit

sat-index articles

Technical data

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Specifications

Prime contractor
Platform	Mitsubishi (same as ETS 6 & Comets)
Mass at launch	5800 kg
Mass in orbit	2800 kg
Payload mass	1100 kg
Dimension	40 m span
Solar array
Stabilization	3-axis
DC power	7500 W (after 3 years)
Design lifetime	3 years (satellite bus: 10 years)

Will feature two S-band transponders for mobile phone, digital broadcast and a nagivation system.
The navigation system will have Rubidium atomic clock and a signal generator for S- and Ka-band.

Two Large-Scale Deployable Reflectors will reach 19 x 17 m once deployed (1 m diameter at lift-off).

The giant antenna was to be tested on a piggyback mission on the first H2A launch in early 2000 but as the H2A program is compromised, LDREX was launched on Ariane.

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