JAXA Engineering Test Satellite ETS-VIII (Kiku 8) is the eighth technology test satellite in a series which started with ETS-1 in 1975 by NASDA. It was launched with the H-2A on December 18, 2006. ETS-VIII was developed by JAXA in cooperation with NICT and NTT. The aim of ETS-VIII is to enable satellite communications with small terminals. Unlike the Iridium satellites for mobile communication, ETS-VIII is positioned at GEO. However to fulfill the task the satellite must carry two very large antennas. It was the first use of the 204 configuration (four strap-on boosters) of the H-IIA launch vehicle.
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Mission type | Communications Technology |
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Operator | JAXA NICT NTT |
COSPAR ID | 2006-059A ![]() |
SATCAT no. | 29656 |
Website | www |
Mission duration | 10 years |
Spacecraft properties | |
Bus | DS-2000 |
Manufacturer | Mitsubishi Electric |
Launch mass | 5,800 kilograms (12,800 lb) |
Start of mission | |
Launch date | 18 December 2006, 06:32 (2006-12-18UTC06:32Z) UTC[1] |
Rocket | H-IIA 204 |
Launch site | Tanegashima Yoshinobu 1 |
Contractor | Mitsubishi |
Entered service | 9 May 2007 |
End of mission | |
Deactivated | 10 January 2017 (2017-01-11) |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 145.7° east |
Semi-major axis | 42,163.77 kilometres (26,199.35 mi) |
Eccentricity | 0.0005611 |
Perigee altitude | 35,769 kilometres (22,226 mi) |
Apogee altitude | 35,816 kilometres (22,255 mi) |
Inclination | 3.04 degrees |
Period | 23.93 hours |
RAAN | 68.56 degrees |
Argument of perigee | 138.47 degrees |
Epoch | 29 October 2013, 19:34:27 UTC[2] |
Japanese space program | |||||||||||||
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Astronomical observation |
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Communications, broadcasting and navigation |
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Earth observation |
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Engineering tests |
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Human spaceflight |
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Lunar and planetary exploration |
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Private miniaturized satellites |
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Reconnaissance |
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← 2005 · Orbital launches in 2006 · 2007 → | |
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Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets. |
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