About: Geotail

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Geotail is a satellite observing the Earth's magnetosphere. It was developed by Japan's ISAS in association with the United States' NASA, and was launched by a Delta II rocket on 24 July 1992 from Cape Canaveral Air Force Station. The apogee was lowered down to 50 REarth in mid November 1994 and then to 30 REarth in February 1995 in order to study substorm processes in the near-Earth tail region. The present orbit is 9 REarth × 30 REarth with inclination of -7° to the ecliptic plane." Geotail instruments studied electric fields, magnetic fields, plasmas, energetic particles, and plasma waves.

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  • Geotail is a satellite observing the Earth's magnetosphere. It was developed by Japan's ISAS in association with the United States' NASA, and was launched by a Delta II rocket on 24 July 1992 from Cape Canaveral Air Force Station. The primary purpose of this mission is to study the structure and dynamics of the tail region of the magnetosphere with a comprehensive set of scientific instruments. For this purpose, the orbit has been designed to cover the magnetotail over a wide range of distances: 8 REarth to 210 REarth from the earth. This orbit also allowed it to study the boundary region of the magnetosphere as it skims the magnetopause at perigees. In the first two years the double lunar swing-by technique was used to keep apogees in the distant magnetotail. This involved 14 lunar flybys. In 1993 the computer that controls the Low Energy Particles experiment locked up. Attempts to reset it failed. This problem was solved by changing the trajectory of the craft during a lunar flyby that took place on 26 September 1993 so that it passed through the shadow of the moon. Power from the batteries was cut while this took place. When the craft left the shadow of the moon, power returned and the computer started working again. The apogee was lowered down to 50 REarth in mid November 1994 and then to 30 REarth in February 1995 in order to study substorm processes in the near-Earth tail region. The present orbit is 9 REarth × 30 REarth with inclination of -7° to the ecliptic plane." Geotail instruments studied electric fields, magnetic fields, plasmas, energetic particles, and plasma waves. In 1994 the principal investigator of the Plasma Wave Instrument (PWI), the experiment complement, was Professor Hiroshi Matsumoto of Kyoto University, with co-investigators from NASA, the University of Iowa, and STX Corporation.Geotail is an active mission as of 2021. Geotail, WIND, Polar, SOHO, and Cluster were all part of the International Solar-Terrestrial Physics Science Initiative (ISTP) project. In June of 2022, the second and final of Geotails two data recorders failed, jeopardizing science observation. It was decided to terminate the operation, and the spacecraft was deactivated on 28 November 2022. (en)
  • Geotail es un satélite artificial japonés construido en colaboración con la NASA y lanzado el 24 de julio de 1992 desde Cabo Cañaveral mediante un cohete Delta. Su misión era la de hacer observaciones de la magnetosfera y la magnetocola terrestres. Junto con los satélites , Polar, SOHO y Cluster formó parte de un esfuerzo científico denominado (ISTP) destinado a comprender mejor la física de las relaciones entre el Sol y la Tierra. (es)
  • Geotail adalah satelit pengamat magnetosfer bumi. Ini dikembangkan oleh ISAS Jepang dalam hubungan dengan NASA Amerika Serikat, dan diluncurkan oleh roket Delta II pada tanggal 24 Juli 1992. Instrumen Geotail mempelajari medan listrik, medan magnet, plasma, partikel energik, dan gelombang plasma. Geotail adalah misi aktif pada 2012. Geotail, Wind, Polar, SOHO, dan Cluster semua bagian dari proyek International Solar-Terrestrial Fisika (ISTP). (in)
  • GEOTAIL est un satellite scientifique chargé de recueillir des données sur la magnétosphère de la Terre, développé par l'ISAS (agence spatiale japonaise dédiée aux programmes scientifiques absorbée par la JAXA en 2003) avec la collaboration de la NASA. Il est lancé par une fusée Delta II le 24 juillet 1992. GEOTAIL est le premier satellite du programme international ISTP dont l'objectif est de mesurer de manière simultanée à l'aide de plusieurs satellites les interactions entre le vent solaire et le champ magnétique terrestre. Ce programme a pour mission d'étudier plus particulièrement la région de la queue magnétique et la zone de plasma neutre. Le satellite est toujours opérationnel en 2019. (fr)
  • 지오테일(영어: Geotail) 또는 자기권 미부 관측위성(일본어: 磁気圏尾部観測衛星)은 지구의 자기권을 관측하는 인공위성이다. 지오테일은 일본의 우주과학연구소가 미국 항공우주국과 공동으로 개발한 위성으로, 1992년 7월 24일 델타 II 로켓에 실려 발사되었다. (ko)
  • GEOTAIL（ジオテイル）は、宇宙科学研究所 (ISAS)とアメリカ航空宇宙局 (NASA) との国際協力の下、アメリカのケープカナベラル空軍基地のロケット射場からデルタIIロケットを使用して、1992年7月24日に打ち上げた磁気圏観測衛星。3年半の寿命を見越して作成された衛星であったが、2022年11月28日に停波・運用が終了されるまで30年以上にわたり運用が行われた。 宇宙科学研究所が探査機を開発。搭載観測機器の約3分の2を提供し、NASAが打ち上げロケットと残りの観測機器を提供。 (ja)
  • GEOTAIL är en japansk satellit för magnetosfärforskning, framför allt utforskandet av magnetosvansen. GEOTAIL sändes upp den 24 juli 1992 och är fortfarande (2015) i drift. Banan nådde ursprungligen så långt bak i magnetosvansen som 220 jordradier, men justerades efter några år till att ligga mellan 10 och 30 jordradier. (sv)
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  • Geotail es un satélite artificial japonés construido en colaboración con la NASA y lanzado el 24 de julio de 1992 desde Cabo Cañaveral mediante un cohete Delta. Su misión era la de hacer observaciones de la magnetosfera y la magnetocola terrestres. Junto con los satélites , Polar, SOHO y Cluster formó parte de un esfuerzo científico denominado (ISTP) destinado a comprender mejor la física de las relaciones entre el Sol y la Tierra. (es)
  • Geotail adalah satelit pengamat magnetosfer bumi. Ini dikembangkan oleh ISAS Jepang dalam hubungan dengan NASA Amerika Serikat, dan diluncurkan oleh roket Delta II pada tanggal 24 Juli 1992. Instrumen Geotail mempelajari medan listrik, medan magnet, plasma, partikel energik, dan gelombang plasma. Geotail adalah misi aktif pada 2012. Geotail, Wind, Polar, SOHO, dan Cluster semua bagian dari proyek International Solar-Terrestrial Fisika (ISTP). (in)
  • GEOTAIL est un satellite scientifique chargé de recueillir des données sur la magnétosphère de la Terre, développé par l'ISAS (agence spatiale japonaise dédiée aux programmes scientifiques absorbée par la JAXA en 2003) avec la collaboration de la NASA. Il est lancé par une fusée Delta II le 24 juillet 1992. GEOTAIL est le premier satellite du programme international ISTP dont l'objectif est de mesurer de manière simultanée à l'aide de plusieurs satellites les interactions entre le vent solaire et le champ magnétique terrestre. Ce programme a pour mission d'étudier plus particulièrement la région de la queue magnétique et la zone de plasma neutre. Le satellite est toujours opérationnel en 2019. (fr)
  • 지오테일(영어: Geotail) 또는 자기권 미부 관측위성(일본어: 磁気圏尾部観測衛星)은 지구의 자기권을 관측하는 인공위성이다. 지오테일은 일본의 우주과학연구소가 미국 항공우주국과 공동으로 개발한 위성으로, 1992년 7월 24일 델타 II 로켓에 실려 발사되었다. (ko)
  • GEOTAIL（ジオテイル）は、宇宙科学研究所 (ISAS)とアメリカ航空宇宙局 (NASA) との国際協力の下、アメリカのケープカナベラル空軍基地のロケット射場からデルタIIロケットを使用して、1992年7月24日に打ち上げた磁気圏観測衛星。3年半の寿命を見越して作成された衛星であったが、2022年11月28日に停波・運用が終了されるまで30年以上にわたり運用が行われた。 宇宙科学研究所が探査機を開発。搭載観測機器の約3分の2を提供し、NASAが打ち上げロケットと残りの観測機器を提供。 (ja)
  • GEOTAIL är en japansk satellit för magnetosfärforskning, framför allt utforskandet av magnetosvansen. GEOTAIL sändes upp den 24 juli 1992 och är fortfarande (2015) i drift. Banan nådde ursprungligen så långt bak i magnetosvansen som 220 jordradier, men justerades efter några år till att ligga mellan 10 och 30 jordradier. (sv)
  • Geotail is a satellite observing the Earth's magnetosphere. It was developed by Japan's ISAS in association with the United States' NASA, and was launched by a Delta II rocket on 24 July 1992 from Cape Canaveral Air Force Station. The apogee was lowered down to 50 REarth in mid November 1994 and then to 30 REarth in February 1995 in order to study substorm processes in the near-Earth tail region. The present orbit is 9 REarth × 30 REarth with inclination of -7° to the ecliptic plane." Geotail instruments studied electric fields, magnetic fields, plasmas, energetic particles, and plasma waves. (en)
rdfs:label
  • Geotail (en)
  • Geotail (es)
  • GEOTAIL (fr)
  • Geotail (in)
  • GEOTAIL (ja)
  • 자기권미부관측위성 지오테일 (ko)
  • GEOTAIL (sv)
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