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    "id": 4805,
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    "title": "Coordinated Heliosphere - How Solar Missions Work Together",
    "description": "Using Solar Orbiter, Parker Solar Probe, and other sun-observing missions, in coordinated observations, we can learn far more about the solar atmosphere which surrounds and impacts Earth and other missions in space, crewed and uncrewed. || ",
    "release_date": "2020-12-07T10:00:00-05:00",
    "update_date": "2025-01-06T00:17:03.196323-05:00",
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        "Visualizations by": [
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                "name": "Tom Bridgman",
                "employer": "Global Science and Technology, Inc."
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            "description": "In these visualizations, we show the orbits of the inner planets, along with orbits of multiple solar missions: STEREO-A, Parker Solar Probe, Solar Orbiter, and  SOHO at the Earth-Sun L1 Lagrange point.<br><br>The Parker spiral created by the solar magnetic field is represented by the magenta spiral lines emanating out from and rotating with the Sun.<br><br>During encounters, spacecraft conducting <i>in situ</i> measurements are highlighted.<br><br>Spacecraft doing imaging have a semi-transparent conical or rectangular frustum representing the field of view of the camera.<br><br>In addition to direct 'line-of-sight' conjunctions, the spacecraft can have 'magnetic' conjunction's where they are both crossing the same outward magnetic field line in the solar wind.  This configuration is represented by a wide magenta band, spiraling along lines similar to the solar magnetic field lines.  The bands are represented as broad since the precise timing of these alignments may depend on local conditions such as the solar wind speed.  In these configurations, it is hoped to compare charged particle flows along the solar magnetic field lines.<br><br>In many encounters, the imaging is performed while another spacecraft is passing through the camera field of view conducting <i>in situ</i> measurements.  Those images will provide a global view of the region through which the spacecraft is traversing, providing additional context for interpreting the <i>in situ</i>data.<br><br>To facilitate identification of these encounters in the visualizations, a tabular list is presented below.  The table identifies which instruments may conduct imaging while others are doing <i>in situ</i> measurements.<table class=\"table table-striped\" style=\"width:100%\"><caption>Helio Mission Encounters as docucmented in <i>Velli et al.</i></caption><thead><tr><th>Encounter Window<br>(yyyy-mm-dd)</th><th>Imagers</th><th><i>in situ</i> Instruments</th></tr></thead><tbody><tr><td>2020-09-11 to 2020-09-29</td><td>STEREO-A, Solar Orbiter</td><td>Parker</td></tr><tr><td>2021-01-14 to 2021-01-18</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2021-04-24 to 2021-05-01</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2021-08-07 to 2021-08-20</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2021-09-18 to 2021-09-18</td><td></td><td>Parker, Solar Orbiter,  STEREO-A</td></tr><tr><td>2021-11-19 to 2021-11-23</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2022-02-23 to 2022-02-27</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2022-04-05 to 2022-04-05</td><td></td><td>Parker, Solar Orbiter</td></tr><tr><td>2022-05-29 to 2022-06-05</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2022-09-04 to 2022-09-07</td><td>Solar Orbiter</td><td>Parker</td></tr><tr><td>2022-10-20 to 2022-10-20</td><td></td><td>Parker, Solar Orbiter</td></tr><tr><td>2022-12-09 to 2022-12-12</td><td>Solar Orbiter</td><td>Parker</td></tr><tr><td>2023-03-16 to 2023-03-20</td><td>Solar Orbiter</td><td>Parker, SOHO</td></tr><tr><td>2023-04-17 to 2023-04-17</td><td></td><td>Parker, Solar Orbiter</td></tr><tr><td>2023-06-20 to 2023-06-27</td><td>SOHO, Solar Orbiter, STEREO-A</td><td>Parker</td></tr><tr><td>2023-06-20 to 2023-06-27</td><td>SOHO, Solar Orbiter, STEREO-A</td><td>Parker</td></tr><tr><td>2023-09-27 to 2023-10-05</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tr><td>2023-10-12 to 2023-10-12</td><td></td><td>SolarOrbiter, Parker</td></tr><tr><td>2023-12-27 to 2023-12-29</td><td>Solar Orbiter, STEREO-A, SOHO</td><td>Parker</td></tr><tr><td>2024-03-28 to 2024-04-08</td><td>STEREO-A, SOHO, Solar Orbiter</td><td>Parker</td></tr><tbody></table><br>",
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            "description": "<h4>Other Notable Events</h4><ul><li>STEREO-A was rotated while on the far side of the Sun from Earth so the HI-1 imager was viewing the region of space between the Sun and Earth.  Around mid-August 2023, STEREO-A will pass Earth in its orbit and the spacecraft will be rotated again so HI-1 will view the region between Sun and Earth.  This maneuver will put it back in the orientation it had after launch in 2006.</li></ul>",
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        {
            "role": "Visualizer",
            "people": [
                {
                    "name": "Tom Bridgman",
                    "employer": "Global Science and Technology, Inc."
                }
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        },
        {
            "role": "Scientist",
            "people": [
                {
                    "name": "Teresa Nieves-Chinchilla",
                    "employer": "Catholic University of America"
                },
                {
                    "name": "Chris St. Cyr",
                    "employer": "NASA/GSFC"
                },
                {
                    "name": "William T. Thompson",
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                },
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                    "name": "Angelos Vourlidas",
                    "employer": "Johns Hopkins University/APL"
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        },
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        "<a href=\"https://www.aanda.org/articles/aa/full_html/2020/10/aa38245-20/aa38245-20.html\" target=\"_blank\">Understanding the origins of the heliosphere: integrating observations and measurements from Parker Solar Probe, Solar Orbiter, and other space- and ground-based observatories\"</a> by Velli et al.",
        "<a href=\"https://www.aanda.org/articles/aa/full_html/2020/10/aa38245-20/aa38245-20.html\" target=\"_blank\">Understanding the origins of the heliosphere: integrating observations and measurements from Parker Solar Probe, Solar Orbiter, and other space- and ground-based observatories\"</a> by Velli et al."
    ],
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    "related": [
        {
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            "url": "https://svs.gsfc.nasa.gov/5136/",
            "page_type": "Visualization",
            "title": "STEREO-A Returns by Earth",
            "description": "The Solar Terrestrial Relations Observatory (STEREO) mission was launched on October 25, 2006, with the purpose of tracing the flow of energy and matter from the Sun to Earth. The STEREO mission began with two spacecraft: STEREO-A and STEREO-B. Each was launched into Sun-orbiting trajectories - STEREO-A moving ahead of Earth, and STEREO-B moving behind Earth (STEREO's Routes to Solar Orbits).  In mid-August 2023, the still-operational STEREO-A (STEREO-B went offline in October 2014) will pass Earth for the first time since its launch 17 years ago. Like race cars driving different speeds around a circular track, STEREO-A is traveling slightly faster than Earth around the Sun. After launch, STEREO-A pulled ahead of Earth and extended its lead a little bit more with each orbit. Now, STEREO-A’s lead is so great that it is catching up to Earth from behind and is about to “lap” Earth, having completed 18 circuits around the Sun while Earth completed just 17. || ",
            "release_date": "2023-08-22T00:00:00-04:00",
            "update_date": "2025-01-06T00:44:34.491471-05:00",
            "main_image": {
                "id": 857695,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg",
                "filename": "STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg",
                "media_type": "Image",
                "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023, as it passes Earth. The camera is anchored on the Earth-Sun line so Earth and the Sun appear fixed while the distant stars appear to move around the camera. This movie starts with a wide view of the inner solar system with STEREO-A and Earth marked. The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
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        },
        {
            "id": 4970,
            "url": "https://svs.gsfc.nasa.gov/4970/",
            "page_type": "Visualization",
            "title": "The Many Eyes on the Parker Solar Probe Perihelion (February 2022)",
            "description": "This visualization opens with a top-down view, then transtions to an oblique view of the inner solar system with the various solar-observing missions conducting coordinated observations of the plasma environment.   This version displays the imaging instrument camera frustums and solar magnetic field alignments - the 'glyph' version.  A version with just the orbits, no 'glyphs' is available in the [Download Options] menu. || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg (1024x576) [123.3 KB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_searchweb.png (320x180) [78.9 KB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_thm.png (80x40) [5.2 KB] || Encounter2022FebTop2Side (1920x1080) [0 Item(s)] || Encounter2022FebTop2Side.glyphs (1920x1080) [0 Item(s)] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.mp4 (1920x1080) [47.0 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.glyphs.HD1080_p30.mp4 (1920x1080) [60.7 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.webm (1920x1080) [9.7 MB] || Encounter2022FebTop2Side (3840x2160) [0 Item(s)] || Encounter2022FebTop2Side.glyphs (3840x2160) [0 Item(s)] || SolarSynergiesPlus.Encounter2022FebTop2Side.UHD2160_p30.mp4 (3840x2160) [143.6 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.glyphs.UHD2160_p30.mp4 (3840x2160) [176.4 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.mp4.hwshow [220 bytes] || ",
            "release_date": "2022-02-25T10:00:00-05:00",
            "update_date": "2025-01-06T00:19:45.634227-05:00",
            "main_image": {
                "id": 372784,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004900/a004970/SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg",
                "filename": "SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg",
                "media_type": "Image",
                "alt_text": "This visualization opens with a top-down view, then transtions to an oblique view of the inner solar system with the various solar-observing missions conducting coordinated observations of the plasma environment.   This version displays the imaging instrument camera frustums and solar magnetic field alignments - the 'glyph' version.  A version with just the orbits, no 'glyphs' is available in the [Download Options] menu.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        },
        {
            "id": 4653,
            "url": "https://svs.gsfc.nasa.gov/4653/",
            "page_type": "Visualization",
            "title": "Parker Solar Probe and Solar Orbiter Trajectories",
            "description": "This visualization opens near Earth for the launch of Parker Solar Probe August 12,  2018.  Then the camera moves around the Sun to match of with Earth again for the launch of Solar Orbiter in 2020.  After that, the camera moves in a slow drift around the Sun as the orbits evolve.  The Parker Solar Probe orbit fades out after the nominal end of mission in 2025.  This version has longer orbit trails to better view orbit changes, and the red along the orbits indicate the nominal science operations portions of the missions. || ParkerAndSolarOrbiter.InnerTourDeluxe.HAE.AU.clockSlate_EarthTarget.HD1080i.02000_print.jpg (1024x576) [100.7 KB] || DeluxeTour (1920x1080) [0 Item(s)] || ParkerAndSolarOrbiter.InnerTourDeluxe.HD1080i_p30.webm (1920x1080) [17.6 MB] || ParkerAndSolarOrbiter.InnerTourDeluxe.HD1080i_p30.mp4 (1920x1080) [179.8 MB] || DeluxeTour (3840x2160) [0 Item(s)] || ParkerAndSolarOrbiter.InnerTourDeluxe_2160p30.mp4 (3840x2160) [489.0 MB] || ParkerAndSolarOrbiter.InnerTourDeluxe.HD1080i_p30.mp4.hwshow [270 bytes] || ParkerAndSolarOrbiter.InnerTourDeluxe_2160p30.mp4.hwshow [211 bytes] || ",
            "release_date": "2018-06-05T10:00:00-04:00",
            "update_date": "2025-02-02T00:10:57.872053-05:00",
            "main_image": {
                "id": 403375,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004600/a004653/ParkerAndSolarOrbiter.side.HAE.AU.clockSlate_EarthTarget.HD1080i.02000_print.jpg",
                "filename": "ParkerAndSolarOrbiter.side.HAE.AU.clockSlate_EarthTarget.HD1080i.02000_print.jpg",
                "media_type": "Image",
                "alt_text": "This visualization has a fixed camera oblique view of the inner solar system to observe the orbits of Parker Solar Probe and Solar Orbiter.  The Parker Solar Probe orbit fades out after the nominal end of mission in 2025.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        }
    ],
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    "products": [],
    "newer_versions": [],
    "older_versions": [],
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}