ETS-VIII

Kiku 8
Spacecraft properties

Mission type	Communications Technology
Operator	JAXA NICT NTT
COSPAR ID	2006-059A
SATCAT №	29656
Website	www.jaxa.jp/projects/sat/ets8/index_e.html
Mission duration	10 years

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

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	35,769 kilometres (22,226 mi)
Apogee	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]

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. So far, this has been the only use of the 204 configuration (four strap-on boosters) of the H-IIA launch vehicle.

Timetable

October 14, 2006 Launch of LDREX-2 with the Ariane 5, model antenna deployed.
December 26, 2006 Both antennas were deployed.
January 9, 2007 GEO orbit injection.
May 9, 2007 The satellite switched to normal operation phase.

References

↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 30 October 2013.
↑ Peat, Chris (29 October 2013). "ETS 8 - Orbit". Heavens Above. Retrieved 30 October 2013.

Japanese space program

JAXA
- former ISAS
- NAL
- NASDA
USEF
NICT

Astronomical
observation

Completed	Hakucho Hinotori Tenma Ginga Yohkoh ASCA HALCA Akari Suzaku

In operation	Hinode Hisaki

Failed	Hitomi¹

Planned	Nano-JASMINE Astro-H Succesor LiteBIRD SPICA² ATHENA²

Cancelled	Astro-G

Communications,
broadcasting and
positioning

Completed	Sakura (1 2a 2b 3a 3b) Yuri 1 2a 2b 3a 3b BS 2X 3H 3N Kakehashi N-STAR a b Kirari MBSat

In operation	Kodama Kizuna N-STAR c d MTSAT QZSS Michibiki

Planned	QZSS QZS-2 QZS-3 QZS-4 JDRS

Earth observation

Completed	Taiyo Kyokko Jikiken Denpa Ohozora Ume 1 b Fuyo-1 Momo 1 1b Midori I II Daichi Akebono

In operation	GEOTAIL¹ Himawari Aqua¹⁷ TRMM¹ Ibuki Shizuku GPM¹ Daichi-2

Planned	ERG GCOM-C GOSAT-2 EarthCARE² Advanced Optical Satellite Advanced Radar Satellite ASNARO

Engineering tests

Completed	Ohsumi Shinsei Kiku 1 2 3 4 5 6 7 Tansei 1 2 3 4 Ayame 1 2 Jindai Orizuru Myojo Ryusei EXPRESS SFU LDREX 1 2 LRE Tsubasa DASH USERS Micro LabSat-1 SERVIS-1 SERVIS-2 SDS-1

In operation	Ajisai Reimei Kiku-8 IKAROS SDS-4

Planned	SLATS Next Engineering Satellite SERVIS-3

Cancelled	SmartSat-1 PETSAT

Human spaceflight

Completed	H-II Transfer Vehicle 1 2 3 4 5

In operation	International Space Station (ISS) & Kibo¹²³⁴⁵⁶

Planned	H-II Transfer Vehicle 6 7 8 9 X1

Cancelled	HOPE-X Fuji manned spacecraft

Lunar and
planetary exploration

Completed	Sakigake Suisei Hiten Hayabusa Kaguya (SELENE)

In operation	Akatsuki Hayabusa 2 PROCYON

Failed	Nozomi Shin'en

Planned	BepiColombo (MMO)² EQUULEUS OMOTENASHI SLIM JUICE² MMX Trojan asteroid exploration SELENE-R MELOS

Cancelled	Lunar-A Jupiter Magnetospheric Orbiter

Private
miniaturized satellites

Completed	Fuji 1 2 Kanta-kun (WEOS) HIT-SAT CUTE 1.7+APD Maido-1 Kūkai Kagayaki Negai☆″ Waseda-SAT2 Hayato WE WISH Niwaka RAIKO CosMoz

In operation	Fuji-3 CUTE 1 1.7+APDII XI IV V SEEDS Raijin Kiseki Hitomi Horyu 2 PROITERES RISING-2 SOCRATES

Planned	WNI satellite SPROUT TSUBAME QSAT-EOS SOMESAT

Reconnaissance

Completed	IGS-Optical 1 2 Experimentally 3 IGS-Radar 1 2

In operation	IGS-Optical 3 4 5 Experimentally 5 IGS-Rader 3 4 Spare

Planned	IGS-Optical 6 7 8 IGS-Rader 5 6 7 8

Italics indicates projects in development.
Superscripts indicate joint development with¹NASA, ²ESA, ³ASI, ⁴CSA, ⁵RKA, ⁶AEB and ⁷INPE.

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Payloads are separated by bullets ( · ), launches by pipes ( \| ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.

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