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Catalogue of ISAS Missions
About status:
Not operational: still in orbit but not operating
Reentered and melted: Reentered the earth's atmosphere and vanished
| Spacecraft / Satellite (Original Name) | Launch Date / Status | Orbital Element | |
|---|---|---|---|
| OHSUMI | Launch | February 11, 1970 (L-4S-5) |
[Weight] 24kg [Type] Elliptical [Altitude] 350km [Inclination] 31° [Period] 145min. |
| Status | Reentered and melted (August 2, 2003) |
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| Japanese first satellite. Launch verification | |||
| TANSEI (MS-T1) |
Launch | February 16, 1971 (M-4S-2) |
[Weight] 63kg [Type] Elliptical [Altitude] 990 - 1100km [Inclination] 30° [Period] 106min. |
| Status | Not operational (February 23, 1971) |
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| Satellite flight environment measurement and engineering tests | |||
| SHINSEI (MS-F2) |
Launch | September 28, 1971 (M-4S-3) |
[Weight] 66kg [Type] Elliptical [Altitude] 870 - 1870km [Inclination] 32° [Period] 113min. |
| Status | Not operational (June, 1973) |
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| First scientific satellite. Observation of ionosphere, cosmic rays, etc. | |||
| DENPA (REXS) |
Launch | August 19, 1972 (M-4S-4) |
[Weight] 75kg [Type] Elliptical [Altitude] 250 - 6570km [Inclination] 31° [Period] 161min. |
| Status | Reentered and melted (May 19, 1980) |
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| Measurement of plasma waves, plasma density, electron flux, etc. | |||
| TANSEI-2 (MS-T2) |
Launch | February 16, 1974 (M-3C-1) |
[Weight] 56kg [Type] Elliptical [Altitude] 290 - 3240km [Inclination] 31° [Period] 122min. |
| Status | Reentered and melted (January 23, 1983) |
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| Launch verification and satellite engineering | |||
| TAIYO (SRATS) |
Launch | February 24, 1975 (M-3C-2) |
[Weight] 86kg [Type] Elliptical [Altitude] 260 - 3140km [Inclination] 32° [Period] 120min. |
| Status | Reentered and melted (June, 1980) |
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| Observation of solar soft X-ray, solar vacuum ultraviolet radiation, ultraviolet earth coronal bright lines, etc., to research upper-atmosphere physics. | |||
| TANSEI-3 (MS-T3) |
Launch | February 19, 1977 (M-3H-1) |
[Weight] 129kg [Type] Elliptical [Altitude] 790 - 3810km [Inclination] 66° [Period] 134min. |
| Status | Not operational (March 8, 1977) |
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| Launch verification and satellite engineering | |||
| KYOKKO (EXOS-A) |
Launch | February 4, 1978 (M-3H-2) |
[Weight] 126kg [Type] Elliptical [Altitude] 630 - 3970km [Inclination] 65° [Period] 134min. |
| Status | Not operational (August 2, 1992) |
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| Aurora observation. Imaging aurora from orbit and associated measurement | |||
| JIKIKEN (EXOS-B) |
Launch | February 21,1979 (M-3H-3) |
[Weight] 90kg [Type] Elliptical [Altitude] 220 - 30,100km [Inclination] 31° [Period] 524min. |
| Status | Not operational (1985) |
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| Geomagnetic field exploration. Plasma density, wave particle interaction | |||
| HAKUCHO (CORSA-b) |
Launch | February 21,1979 (M-3C-4) |
[Weight] 96kg [Type] Near circular [Altitude] 545 - 577km [Inclination] 30° [Period] 96min. |
| Status | Reentered and melted (April 15, 1985) |
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| X-ray observation of high-energy sources in the universe | |||
| TANSEI-4 (MS-T4) |
Launch | February 17, 1980 (M-3S-1) |
[Weight] 185kg [Type] Near circular [Altitude] 521.7 - 605.6km [Inclination] 38.7° [Period] 96min. |
| Status | Reentered and melted (May 13, 1983) |
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| Launch verification and engineering | |||
| HINOTORI (ASTRO-A) |
Launch | February 21, 1981 (M-3S-2) |
[Weight] 188kg [Type] Near circular [Altitude] 576 - 644km [Inclination] 31° [Period] 97min. |
| Status | Reentered and melted (July 11, 1991) |
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| Solar flare observation by hard X-rays. Solar particle measurement | |||
| TENMA (ASTRO-B) |
Launch | February 20, 1983 (M-3S-3) |
[Weight] 216kg [Type] Circular [Altitude] 497 - 503km [Inclination] 32° [Period] 94min. |
| Status | Reentered and melted (Janualy 19, 1989) |
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| Observation of X-ray stars, galaxies, Gamma-ray bursts, soft X-ray nebulae | |||
| OHZORA (EXOS-C) |
Launch | February 14, 1984 (M-3S-4) |
[Weight] 207kg [Type] Elliptical [Altitude] 354 - 865km [Inclination] 75° [Period] 97min. |
| Status | Reentered and melted (December 26, 1988) |
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| Upper atmosphere exploration | |||
| SAKIGAKE (MS-T5) |
Launch | January 8, 1985 (M-3SII-1) |
[Weight] 138kg [Type] Heliocentric [Altitude] - [Inclination] - [Period] 319days |
| Status | Not operational (January 7, 1999) |
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| First interplanetary probe. Demonstration of interplanetary flight engineering | |||
| SUISEI (PLANET-A) |
Launch | August 19, 1985 (M-3SII-2) |
[Weight] 140kg [Type] Heliocentric [Altitude] - [Inclination] - [Period] 282days |
| Status | Not operational (February 22, 1991) |
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| Observation of Halley's Comet. Interplanetary space plasma observation | |||
| GINGA (ASTRO-C) |
Launch | February 5, 1987 (M-3SII-3) |
[Weight] 420kg [Type] Near circular [Altitude] 530 - 595km [Inclination] 31° [Period] 96min. |
| Status | Reentered and melted (November 1, 1991) |
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| X-ray observation of active galactic nuclei and various high-energy sources | |||
| AKEBONO (EXOS-D) |
Launch | February 22, 1989 (M-3SII-4) |
[Weight] 295kg [Type] Highly elliptical [Altitude] 275 - 10,500km [Inclination] 75° [Period] 211min. |
| Status | Operational | ||
| Plasma dynamic observation of aurora. Verification of particle acceleration theory | |||
| HITEN (MUSES-A) |
Launch | January 24, 1990 (M-3SII-5) |
[Weight] 197kg [Type] Elliptical [Altitude] 262 - 28,600km [Inclination] 31° [Period] 6.7days |
| Status | Maneuvered falling to the Moon (April 11, 1993) |
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| Lunar swing-by technique demonstration | |||
| YOHKOH (SOLAR-A) |
Launch | August 30, 1991 (M-3SII-6) |
[Weight] 390kg [Type] Elliptical [Altitude] 550 - 600km [Inclination] 31° [Period] 98min. |
| Status | Reentered and melted (Sepptember 12, 2005) |
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| High-resolution imaging of solar flares during solar maximum period | |||
| GEOTAIL | Launch | July 24, 1992 (Delta II) |
[Weight] 1,009kg [Type] Elliptical [Altitude] 57,000 - 200,000km [Inclination] 29° [Period] - |
| Status | Operational | ||
| Geomagnetic tail exploration. Address plasma dynamic structures and mechanisms | |||
| ASCA (ASTRO-D) |
Launch | February 20, 1993 (M-3SII-7) |
[Weight] 420kg [Type] Near circular [Altitude] 525 - 615km [Inclination] 31° [Period] 96min. |
| Status | Reentered and melted (March 2, 2001) |
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| X-ray observatory. Detailed X-ray images of high-energy sources | |||
| EXPRESS | Launch | January 15, 1995 (M-3SII-8) |
[Weight] 770kg [Type] Elliptical [Altitude] - [Inclination] - [Period] - |
| Status | Retrieved (January 16, 1995) |
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| Study of space environment utilization experiment, reentry and retrieval technology. Fell to earth during its third orbit rotation. The satellite was recovered 10 months later in Ghana. Obtained data on the capsule's thermal-resistance performance, health of instruments and flight. | |||
| SFU | Launch | March 18, 1995 (  H-II-3) |
[Weight] 4,000kg [Type] Phase-synchronized orbit [Altitude] 300 - 500km [Inclination] 28.5° [Period] 90min. |
| Status | Retrieved by Space Shuttle (January 13, 1996) |
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| Unmanned space platform for space experiments in engineering and science | |||
| HALCA (MUSES-B) |
Launch | February 12, 1997 (M-V-1) |
[Weight] 830kg [Type] Highly elliptical [Altitude] 560 - 21,000km [Inclination] 31° [Period] 6hrs. 20min. |
| Status | Not operational (November 30, 2005) |
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| Very Long Baseline Interferometry (VLBI) for radio astronomy | |||
| NOZOMI (PLANET-B) |
Launch | July 4, 1998 (M-V-3) |
[Weight] 540kg [Type] Heliocentric [Altitude] - [Inclination] - [Period] - |
| Status | Not operational (December 9, 2003) |
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| Mars orbiter. Martian atmosphere and its interaction with solar
wind. Failed to enter Mars orbit and became an artificial planet flying forever in orbit around the Sun near that of Mars. |
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| HAYABUSA (MUSES-C) |
Launch | May 9, 2003 (M-V-5) |
[Weight] 510kg [Type] Heliocentric [Altitude] - [Inclination] - [Period] - |
| Status | Operational | ||
| A challenging asteroid sample-return mission named HAYABUSA was approved for the dawn of the 21st century. It will meet an asteroid ITOKAWA, rendezvous with it, touch down on it, and then take samples from the asteroid's surface and return with them to earth--for the first time. | |||
| SUZAKU (ASTRO-EII) |
Launch | July 10, 2005 (M-V-6) |
[Weight] 1,700kg [Type] Circular [Altitude] 550km [Inclination] 31° [Period] 96min. |
| Status | Operational | ||
| An advanced X-ray astronomical observatory with higher sensitivity and resolution was launched into near-earth orbit. SUZAKU increases our knowledge of the structure and evolution of stars, galaxies and the universe. | |||
| REIMEI (INDEX) |
Launch | August 24, 2005 (Dnepr) |
[Weight] 60kg [Type] Near circular [Altitude] 610 - 654km [Inclination] 97.8° [Period] 97min. |
| Status | Operational | ||
| REIMEI will perform in-orbit demonstrations of cutting-edge satellite technology over a brief period of time. | |||
| AKARI (ASTRO-F) |
Launch | February 22, 2006 (M-V-8) |
[Weight] 952kg [Type] Sun-synchronous polar orbit [Altitude] 700km [Inclination] 98.2° [Period] 100min. |
| Status | Operational | ||
| An infrared astronomy satellite. It surveyed a large area of the sky and provide enormous data which play a critical role in the research into the formation and evolutionof galaxies, stars and planetary systems. | |||
| HINODE (SOLAR-B) |
Launch | September 23, 2006 (M-V-7) |
[Weight] 900kg [Type] Sun-synchronous polar orbit [Altitude] 680km [Inclination] 98° [Period] 98min. |
| Status | Operational | ||
| HINODE is a solar-observation mission which will make coordinated measurements from optical to X-ray energy bands as part of a systematic approach to the study of the interaction between magnetic fields and high-temperature plasma on the sun's surface. | |||
| KAGUYA (SELENE) |
Launch | September 14, 2007 ( H-IIA-13) |
[Weight] 3,000kg [Type] Elliptical [Altitude] 100km [Inclination] 90° [Period] - |
| Status | Maneuvered falling to the Moon (June 11, 2009) |
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| A moon-orbiting observation mission to be conducted jointly by ISAS and NASDA using the H-II A launch vehicle. The major objectives are to obtain scientific data about the origins and evolution of the moon, and to develop technology for future missions. | |||
| AKATSUKI (PLANET-C) |
Launch | 2010 (Target) ( H-IIA) |
[Weight] 480kg [Type] Elliptical around Venus [Altitude] 300 - 80,000km [Inclination] 172° [Period] 30hrs. |
| Status | To be launched | ||
| The Venus Climate Orbiter (PLANET-C project) is aimed at unveiling the mysteries of Venus, with an emphasis on atmospheric dynamics. State-of-the-art optical instruments will enable us to explore the deep atmosphere and the ground surface below the thick cloud layer. | |||
| ASTRO-G | Launch | 2012 (Target) ( H-IIA) |
[Weight] 1,200kg [Type] Highly elliptical [Altitude] 1,000 - 25,000km [Inclination] 31° [Period] 7hrs.30min. |
| Status | To be launched | ||
| Very Long Baseline Interferometry (VLBI) for radio astronomy | |||
| ASTRO-H | Launch | FY2013 (Target) ( H-IIA) |
[Weight] 2,400kg [Type] Circular [Altitude] 550km [Inclination] 31° [Period] 96min. |
| Status | To be launched | ||
| Revealing the large-scale structure and its evlution of the Universe, through explorations of the extreme Universe filled with high energy phenomena and observations of hot plasma in clusters of galaxies. | |||
| MMO /BepiColombo |
Launch | FY2014 (Target) (Ariane 5) |
[Weight] 250kg [Type] Elliptical around Mercury [Altitude] 400 - 12,000km [Inclination] 90° [Period] 9.3hrs. |
| Status | To be launched | ||
| BepiColombo is first full-scale Euro-Japan joint mission. Two orbiters ( MMO & MPO ) will observe Mercury simultaneusly with instruments developed by Euro-Japan joint research teams. | |||
| LUNAR-A | Launch | Project Cancelled |
[Weight] 540kg [Type] Elliptical around Moon [Altitude] - [Inclination] - [Period] - |
| Status | |||
| LUNAR-A was to carry and shoot penetrators into the surface of the moon. The penetrators would have conducted lunar seismometry and performed several measurements of the thermal properties of the surface to learn about the interior structure of the moon. | |||