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    "page_type": "Visualization",
    "title": "The 2013 Earth-Orbiting Heliophysics Fleet",
    "description": "There've been a few changes since the 2012 Earth-Orbiting Heliophysics Fleet. As of Fall of 2013, here's a tour of the NASA Near-Earth Heliophysics fleet, covering the space from near-Earth orbit out to the orbit of the Moon.The satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observationsNear-Earth Fleet:Hinode: Observes the Sun in multiple wavelengths up to x-rays. SVS pageRHESSI : Observes the Sun in x-rays and gamma-rays. SVS pageTIMED: Studies the upper layers (40-110 miles up) of the Earth's atmosphere.FAST: Measures particles and fields in regions where aurora form.CINDI: Measures interactions of neutral and charged particles in the ionosphere. SORCE: Monitors solar intensity across a broad range of the electromagnetic spectrum.AIM: Images and measures noctilucent clouds. SVS pageVan Allen Probes: Two probes moving along the same orbit esigned to study the impact of space weather on Earth's radiation belts. SVS pageTWINS: Two Wide-Angle Imaging Neutral-Atom Spectrometers (TWINS) are two probes observing the Earth with neutral atom imagers.IRIS: Interface Region Imaging Spectrograph is designed to take high-resolution spectra and images of the region between the solar photosphere and solar atmosphere.Geosynchronous Fleet:SDO: Solar Dynamics Observatory keeps the Sun under continuous observation at 16 megapixel resolution.GOES: The newest GOES satellites include a solar X-ray imager operated by NOAA.Geospace Fleet:Geotail: Conducts measurements of electrons and ions in the Earth's magnetotail. Cluster: This is a group of four satellites which fly in formation to measure how particles and fields in the magnetosphere vary in space and time. SVS pageTHEMIS: This is a fleet of three satellites to study how magnetospheric instabilities produce substorms. Two of the original five satellites were moved into lunar orbit to become ARTEMIS. SVS page IBEX: The Interstellar Boundary Explorer measures the flux of neutral atoms from the heliopause.Lunar Orbiting FleetARTEMIS: Two of the THEMIS satellites were moved into lunar orbit to study the interaction of the Earth's magnetosphere with the Moon. || ",
    "release_date": "2013-12-16T12:00:00-05:00",
    "update_date": "2025-01-19T22:11:46.015670-05:00",
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        "Visualizations by": [
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                "name": "Tom Bridgman",
                "employer": "Global Science and Technology, Inc."
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    "progress": "Complete",
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            "description": "There've been a few changes since the <a href=\"/3969\">2012 Earth-Orbiting Heliophysics Fleet</a>. As of Fall of 2013, here's a tour of the NASA Near-Earth Heliophysics fleet, covering the space from near-Earth orbit out to the orbit of the Moon.<p><p>The satellite orbits are color coded for their observing program:<p><ul><li><DROP_SHADOW><font style=\"color:#ff00ff\">Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observations</font></DROP_SHADOW></li><p><li><DROP_SHADOW><font color=\"#ffff00\">Yellow: solar observations and imagery</font></DROP_SHADOW></li><p><li><DROP_SHADOW><font color=\"#00ffff\">Cyan: Geospace and magnetosphere</font></DROP_SHADOW></li><p><li><DROP_SHADOW><font color=\"#8888ff\">Violet: Heliospheric observations</font></DROP_SHADOW></li><p></ul></p><h3>Near-Earth Fleet:</h3><ul><li><a href='http://solarb.msfc.nasa.gov/' target='_blank'>Hinode</a>: Observes the Sun in multiple wavelengths up to x-rays. <a href='/search/psd.html?value=Hinode%20Solar-B' target='_blank'>SVS page</a></li><li><a href='http://hesperia.gsfc.nasa.gov/hessi/' target='_blank'>RHESSI </a>: Observes the Sun in x-rays and gamma-rays. <a href='/search/psd.html?value=RHESSI' target='_blank'>SVS page</a></li><li><a href='http://www.timed.jhuapl.edu/WWW/index.php' target='_blank'>TIMED</a>: Studies the upper layers (40-110 miles up) of the Earth's atmosphere.</li><li><a href='http://sprg.ssl.berkeley.edu/fast/' target='_blank'>FAST</a>: Measures particles and fields in regions where <a href='https://www.nasa.gov/worldbook/aurora_worldbook.html' target='_blank'>aurora</a> form.</li><li><a href='http://cindispace.utdallas.edu/' target='_blank'>CINDI</a>: Measures interactions of neutral and charged particles in the ionosphere. </li><li><a href=\"http://lasp.colorado.edu/sorce/index.htm\">SORCE</a>: Monitors solar intensity across a broad range of the electromagnetic spectrum.</li><li><a href='http://aim.hamptonu.edu/' target='_blank'>AIM</a>: Images and measures noctilucent clouds. <a href='/search/psd.html?value=AIM' target='_blank'>SVS page</a></li><li><a href=\"http://rbsp.jhuapl.edu/\">Van Allen Probes</a>: Two probes moving along the same orbit esigned to study the impact of space weather on Earth's radiation belts. <a href=\"/cgi-bin/search.cgi?series=336\">SVS page</a></li><li><a href=\"https://www.nasa.gov/mission_pages/sunearth/news/ibex-twins.html\">TWINS</a>: Two Wide-Angle Imaging Neutral-Atom Spectrometers (TWINS) are two probes observing the Earth with neutral atom imagers.</li><li><a href=\"http://www.nasa.gov/mission_pages/iris/index.html\">IRIS</a>: Interface Region Imaging Spectrograph is designed to take high-resolution spectra and images of the region between the solar photosphere and solar atmosphere.</li></ul><h3>Geosynchronous Fleet:</h3><ul><li><a href=\"http://sdo.gsfc.nasa.gov/\">SDO</a>: Solar Dynamics Observatory keeps the Sun under continuous observation at 16 megapixel resolution.</li><li><a href=\"http://sxi.ngdc.noaa.gov/\">GOES</a>: The newest GOES satellites include a solar X-ray imager operated by <a href=\"http://www.noaa.gov/\">NOAA</a>.</li></ul><h3>Geospace Fleet:</h3><ul><li><a href='http://pwg.gsfc.nasa.gov/geotail.shtml' target='_blank'>Geotail</a>: Conducts measurements of electrons and ions in the Earth's magnetotail. </li><li><a href='http://sci.esa.int/science-e/www/area/index.cfm?fareaid=8' target='_blank'>Cluster</a>: This is a group of four satellites which fly in formation to measure how particles and fields in the magnetosphere vary in space and time. <a href='/search/psd.html?value=Cluster' target='_blank'>SVS page</a></li><li><a href='http://themis.ssl.berkeley.edu/index.shtml' target='_blank'>THEMIS</a>: This is a fleet of three satellites to study how magnetospheric instabilities produce <a href='http://www.phy6.org/Education/wsubstrm.html' target='_blank'>substorms</a>. Two of the original five satellites were <a href=\"/3682\">moved into lunar orbit to become ARTEMIS.</a> <a href='/search/psd.html?value=THEMIS' target='_blank'>SVS page</a> </li><li><a href=\"http://ibex.swri.edu/\">IBEX:</a> The Interstellar Boundary Explorer measures the flux of neutral atoms from the heliopause.</li></ul><h3>Lunar Orbiting Fleet</h3><ul><li><a href=\"http://artemis.ssl.berkeley.edu/\">ARTEMIS</a>: Two of the THEMIS satellites were moved into lunar orbit to study the interaction of the Earth's magnetosphere with the Moon.</li></ul>",
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            "title": "The 2015 Earth-Orbiting Heliophysics Fleet",
            "description": "Movie showing the heliosphysics missions from near Earth orbit out to the orbit of the Moon.This video is also available on our YouTube channel. || Helio2015A.MMStour.slate_RigRHS.HD1080i.0500_print.jpg (1024x576) [112.6 KB] || Helio2015A.MMStour.HD1080.webm (1920x1080) [6.7 MB] || WithoutTimeStamp (1920x1080) [128.0 KB] || Helio2015A.MMStour.HD1080.mov (1920x1080) [196.3 MB] || Helio2015_4288.pptx [198.6 MB] || Helio2015_4288.key [201.3 MB] || ",
            "release_date": "2015-06-10T00:00:00-04:00",
            "update_date": "2024-12-15T22:20:35.001660-05:00",
            "main_image": {
                "id": 443168,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004200/a004288/Helio2015A.MMStour.slateHR_RigRHS.HD1080i.0364_print.jpg",
                "filename": "Helio2015A.MMStour.slateHR_RigRHS.HD1080i.0364_print.jpg",
                "media_type": "Image",
                "alt_text": "Moving out further, we see SDO as we pass geosynchronous orbit.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        }
    ],
    "older_versions": [
        {
            "id": 3969,
            "url": "https://svs.gsfc.nasa.gov/3969/",
            "page_type": "Visualization",
            "title": "The 2012 Earth-Orbiting Heliophysics Fleet",
            "description": "Since Sentinels of the Heliosphere in 2008, there have been a few new missions, and a few missions have been shut down. As of Fall of 2012, here's a tour of the NASA Near-Earth Heliophysics fleet, covering the space from near-Earth orbit out to the orbit of the Moon.Revision (November 9, 2012): The RBSP mission has been renamed the Van Allen Probes. NASA Press Release.The satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observationsNear-Earth Fleet:Hinode: Observes the Sun in multiple wavelengths up to x-rays. SVS pageRHESSI : Observes the Sun in x-rays and gamma-rays. SVS pageTIMED: Studies the upper layers (40-110 miles up) of the Earth's atmosphere.FAST: Measures particles and fields in regions where aurora form.CINDI: Measures interactions of neutral and charged particles in the ionosphere. SORCE: Monitors solar intensity across a broad range of the electromagnetic spectrum.AIM: Images and measures noctilucent clouds. SVS pageRBSP: (Renamed the Van Allen Probes) Designed to study the impact of space weather on Earth's radiation belts. SVS pageGeosynchronous Fleet:SDO: Solar Dynamics Observatory keeps the Sun under continuous observation at 16 megapixel resolution.GOES: The newest GOES satellites include a solar X-ray imager operated by NOAA.Geospace Fleet:Geotail: Conducts measurements of electrons and ions in the Earth's magnetotail. Cluster: This is a group of four satellites which fly in formation to measure how particles and fields in the magnetosphere vary in space and time. SVS pageTHEMIS: This is a fleet of three satellites to study how magnetospheric instabilities produce substorms. Two of the original five satellites were moved into lunar orbit to become ARTEMIS. SVS page IBEX: The Interstellar Boundary Explorer measures the flux of neutral atoms from the heliopause.Lunar Orbiting FleetARTEMIS: Two of the THEMIS satellites were moved into lunar orbit to study the interaction of the Earth's magnetosphere with the Moon.Note: A number of near-Earth missions had their orbits generated from Two-Line orbital elements valid in July 2012. Orbit perturbations since then may result in significant deviation from the actual satellite position for the time frame of this visualization. || ",
            "release_date": "2012-09-20T00:00:00-04:00",
            "update_date": "2025-02-02T22:07:38.068996-05:00",
            "main_image": {
                "id": 473624,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003900/a003969/Helio2012.slate_GSEmove.HD1080i.0900.jpg",
                "filename": "Helio2012.slate_GSEmove.HD1080i.0900.jpg",
                "media_type": "Image",
                "alt_text": "Movie showing the heliosphysics missions from near Earth orbit out to the orbit of the Moon.",
                "width": 1920,
                "height": 1080,
                "pixels": 2073600
            }
        }
    ],
    "alternate_versions": []
}