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Excepting the Voyager missions, the satellite orbits are color coded for their observing program:

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Near-Earth Fleet:

Geosynchronous Fleet:

Geospace Fleet:

Lunar Orbiting Fleet:

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Sun-Earth Lagrange Point One Fleet:

The L1 point is a Lagrange Point between the Sun and the Earth. Spacecraft can orbit this location for continuous coverage of the Sun.
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"Earth2InnerSolarSystem", "media_type": "Frames", "alt_text": "This visualization presents orbits of the current heliophysics satellites covering the space near Earth, out to the Sun-Earth Lagrange point, L1, and finally a view of the current missions operating in the inner solar system.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 225718, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 382685, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004822/Sentinels2020.InnerSolarSystem.UHD3840_2160p30.mp4", "filename": "Sentinels2020.InnerSolarSystem.UHD3840_2160p30.mp4", "media_type": "Movie", "alt_text": "This visualization presents orbits of the current heliophysics satellites covering the space near Earth, out to the Sun-Earth Lagrange point, L1, and finally a view of the current missions operating in the inner solar system.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 225724, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 382684, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004822/frames/3840x2160_16x9_60p/Earth2InnerSolarSystem/", "filename": "Earth2InnerSolarSystem", "media_type": "Frames", "alt_text": "This visualization presents orbits of the current heliophysics satellites covering the space near Earth, out to the Sun-Earth Lagrange point, L1, and finally a view of the current missions operating in the inner solar system.", "width": 3840, "height": 2160, "pixels": 8294400 } } ], "extra_data": {} }, { "id": 319071, "url": "https://svs.gsfc.nasa.gov/4822/#media_group_319071", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "

Solar Orbiting Fleet:

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Interstellar Fleet:

", "items": [], "extra_data": {} }, { "id": 319074, "url": "https://svs.gsfc.nasa.gov/4822/#media_group_319074", "widget": "Basic text", "title": "For More Information", "caption": "", "description": "See [NASA.gov](https://www.nasa.gov/mission_pages/sunearth/missions/index.html)", "items": [], "extra_data": {} } ], "studio": "SVS", "funding_sources": [ "NASA Heliophysics" ], "credits": [ { "role": "Visualizer", "people": [ { "name": "Tom Bridgman", "employer": "Global Science and Technology, Inc." } ] }, { "role": "Technical support", "people": [ { "name": "Laurence Schuler", "employer": "ADNET Systems, Inc." }, { "name": "Ian Jones", "employer": "ADNET Systems, Inc." } ] } ], "missions": [ "ACE", "Geotail", "Global-scale Observations of the Limb and Disk (GOLD)", "Hinode (Solar-b)", "IBEX", "Ionospheric Connection Explorer (ICON)", "IRIS: Interface Region Imaging Spectrograph", "Magnetospheric Multiscale (MMS)", "Parker Solar Probe", "SDO", "SOHO", "Solar Orbiter Collaboration", "Space Environment Testbeds (SET)", "STEREO", "THEMIS", "THEMIS and ARTEMIS", "TIMED", "Voyager", "Wind" ], "series": [ "Heliophysics Fleet" ], "tapes": [], "papers": [], "datasets": [ { "name": "SSCweb", "common_name": "SSCweb ephemerides", "platform": null, "sensor": null, "type": "Ephemeris", "organizations": [], "description": "Satellite ephemerides", "credit": "", "url": "http://sscweb.gsfc.nasa.gov", "date_range": "2020-01-01 to 2020-05-24" }, { "name": "Space-Track Two-Line Elements", "common_name": "Space-Track TLE", "platform": null, "sensor": null, "type": "Ephemeris", "organizations": [], "description": "Satellite ephemerides", "credit": "", "url": "http://Space-Track.org", "date_range": "2020-04-01 to 2020-06-01" }, { "name": "DE 431", "common_name": "", "platform": null, "sensor": null, "type": "Ephemeris", "organizations": [], "description": "Planetary ephemerides SPICE kernel", "credit": "", "url": "", "date_range": "2020-01-01 to 2020-12-31" } ], "nasa_science_categories": [ "Sun" ], "keywords": [ "ACE", "Hinode", "Hyperwall", "IRIS Mission", "MMS", "Parker Solar Probe", "Satellite Orbit", "SOHO", "Solar Dynamics Observatory", "Solar Orbiter", "Spacecraft", "STEREO", "Voyager" ], "recommended_pages": [], "related": [ { "id": 13275, "url": "https://svs.gsfc.nasa.gov/13275/", "page_type": "Produced Video", "title": "How NASA Will Protect Astronauts From Space Radiation", "description": "August 1972, as NASA scientist Ian Richardson remembers it, was hot. In Surrey, England, where he grew up, the fields were brown and dry, and people tried to stay out of the Sun, indoors and televisions on. But for several days that month, his TV picture kept breaking up. “Do not adjust your set,” he recalls the BBC announcing. “Heat isn’t causing the interference. It’s sunspots.”The same sunspots that disrupted the television signals led to enormous solar flares — powerful bursts of radiation from the Sun — Aug. 4-7 that year. Between the Apollo 16 and 17 missions, the solar eruptions were a near miss for lunar explorers. Had they been in orbit or on the Moon’s surface, they would have sustained dangerous levels of solar radiation sparked by the eruptions. Today, the Apollo-era flares serve as a reminder of the threat of radiation exposure for technology and astronauts in space. Understanding and predicting solar eruptions is crucial for safe space exploration. Almost 50 years since those 1972 storms, the data, technology and resources available to NASA have improved, enabling advancements towards space weather forecasts and astronaut protection — key to NASA’s Artemis program to return astronauts to the Moon.Read more on NASA.gov. || ", "release_date": "2019-08-07T11:30:00-04:00", "update_date": "2023-05-03T13:45:43.534333-04:00", "main_image": { "id": 393941, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013200/a013275/13275_AstronautRadiation_Twitter.01205_print.jpg", "filename": "13275_AstronautRadiation_Twitter.01205_print.jpg", "media_type": "Image", "alt_text": "Watch this video on the NASA Goddard YouTube channel.Complete transcript available.Music credits: “Boreal Moment” by Benoit Scarwell [SACEM]; “Sensory Questioning”, “Natural Time Cycles”, “Emerging Designer”, and “Experimental Design” by Laurent Dury [SACEM]; “Superluminal” by Lee Groves [PRS], Peter George Marett [PRS] from Killer Tracks", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 13143, "url": "https://svs.gsfc.nasa.gov/13143/", "page_type": "Produced Video", "title": "NASA's Mission Through Dangerous Space Is Going Out in Style", "description": "B-roll for Van Allen Probe Live Shot. Answers the following suggested questions: You may think space is empty, but there is a lot there that we can’t see. What are space weather and radiation belts?How do you observe the radiation belts?A new radiation belt was discovered several years ago. Tell us about that discovery.Can you tell us about the final mission that the Van Allen probes are going on?How do radiation belts affect space travel, astronauts and the space station?Where can we learn more? || broll.00001_print.jpg (1024x576) [114.9 KB] || broll.00001_print_print.jpg (1024x576) [66.2 KB] || broll.00001_print_searchweb.png (320x180) [95.8 KB] || broll.00001_print_thm.png (80x40) [7.7 KB] || broll.mov (1280x720) [2.8 GB] || broll.webm (1280x720) [21.1 MB] || broll.mp4 (1280x720) [212.1 MB] || ", "release_date": "2019-02-11T21:00:00-05:00", "update_date": "2023-05-03T13:46:08.137981-04:00", "main_image": { "id": 397551, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013143/broll.00001_print.jpg", "filename": "broll.00001_print.jpg", "media_type": "Image", "alt_text": "B-roll for Van Allen Probe Live Shot. Answers the following suggested questions: You may think space is empty, but there is a lot there that we can’t see. What are space weather and radiation belts?How do you observe the radiation belts?A new radiation belt was discovered several years ago. Tell us about that discovery.Can you tell us about the final mission that the Van Allen probes are going on?How do radiation belts affect space travel, astronauts and the space station?Where can we learn more?", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [ { "id": 13814, "url": "https://svs.gsfc.nasa.gov/13814/", "page_type": "Produced Video", "title": "SVS Demo Reel 2020", "description": "This is the SVS Demo Reel submitted to SIGGRAPH 2021.Coming soon to our YouTube channel. || SVS_2020.File.1080p.00250_print.jpg (1024x576) [129.8 KB] || SVS_2020.File.1080p.00250_thm.png (80x40) [3.1 KB] || SVS_2020.File.1080p.00250_searchweb.png (320x180) [60.0 KB] || SVS_2020.File.1080p.mp4 (1920x1080) [367.7 MB] || captions_silent.30842.en_US.srt [42 bytes] || SVS_2020.File.720p.mp4 (720x404) [62.6 MB] || SVS_2020.file.2160pp.mp4 (3840x2160) [1.4 GB] || SVS_2020.file.2160pp.webm (3840x2160) [78.3 MB] || ", "release_date": "2021-02-18T00:00:00-05:00", "update_date": "2023-05-03T13:44:20.561761-04:00", "main_image": { "id": 379755, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013800/a013814/SVS_2020.File.1080p.00250_print.jpg", "filename": "SVS_2020.File.1080p.00250_print.jpg", "media_type": "Image", "alt_text": "This is the SVS Demo Reel submitted to SIGGRAPH 2021.Coming soon to our YouTube channel.", "width": 1024, "height": 576, "pixels": 589824 } } ], "newer_versions": [ { "id": 4898, "url": "https://svs.gsfc.nasa.gov/4898/", "page_type": "Visualization", "title": "Heliophysics Sentinels 2022", "description": "There has been one significant change since the 2020 Heliophysics Fleet. SET has been decommissioned. As of Fall 2022, here's a tour of the NASA Heliophysics fleet from the near-Earth satellites out to the Voyagers beyond the heliopause.Excepting the Voyager missions, the satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observations || ", "release_date": "2022-11-23T00:00:00-05:00", "update_date": "2023-11-15T00:17:09.286839-05:00", "main_image": { "id": 368244, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004898/Sentinels2022.Earth2Voyager.GSE.AU.clockSlate_EarthTarget.HD1080.00280_print.jpg", "filename": "Sentinels2022.Earth2Voyager.GSE.AU.clockSlate_EarthTarget.HD1080.00280_print.jpg", "media_type": "Image", "alt_text": "This visualization presents orbits of the current heliophysics satellites covering the space near Earth, through the solar system, and concluding with a view of the Voyagers, just outside the heliopause.", "width": 1024, "height": 576, "pixels": 589824 } } ], "older_versions": [ { "id": 4360, "url": "https://svs.gsfc.nasa.gov/4360/", "page_type": "Visualization", "title": "Heliophysics Sentinels 2018", "description": "This movie presents the trajectories of the heliophysics fleet from close to Earth to out beyond the heliopause. || Sentinels2018.Sentinels2Voyager.GSE.AU.clockSlate_EarthTarget.UHD3840.00000_print.jpg (1024x576) [74.5 KB] || Sentinels2018.Sentinels2Voyager.GSE.AU.clockSlate_EarthTarget.UHD3840.00000_searchweb.png (320x180) [65.6 KB] || Sentinels2018.Sentinels2Voyager.GSE.AU.clockSlate_EarthTarget.UHD3840.00000_thm.png (80x40) [5.1 KB] || Sentinels2018.Sentinels2Voyager_1080p30.mp4 (1920x1080) [40.3 MB] || Sentinels2018.Sentinels2Voyager_1080p30.webm (1920x1080) [6.3 MB] || frames/1920x1080_16x9_30p/ (1920x1080) [256.0 KB] || frames/3840x2160_16x9_30p/ (3840x2160) [256.0 KB] || Sentinels2018.Sentinels2Voyager_2160p30.mp4 (3840x2160) [125.7 MB] || ", "release_date": "2018-12-10T11:00:00-05:00", "update_date": "2024-01-25T00:06:29.921944-05:00", "main_image": { "id": 398777, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004300/a004360/Sentinels2018.Sentinels2Voyager.GSE.AU.clockSlate_EarthTarget.UHD3840.00000_print.jpg", "filename": "Sentinels2018.Sentinels2Voyager.GSE.AU.clockSlate_EarthTarget.UHD3840.00000_print.jpg", "media_type": "Image", "alt_text": "This movie presents the trajectories of the heliophysics fleet from close to Earth to out beyond the heliopause.", "width": 1024, "height": 576, "pixels": 589824 } } ], "alternate_versions": [ { "id": 4887, "url": "https://svs.gsfc.nasa.gov/4887/", "page_type": "Visualization", "title": "Heliophysics Sentinels 2020 (Forecast Version)", "description": "In addition to the NASA missions used in research for space weather (see 2020 Heliophysics Fleet) there are additional missions operated by NOAA used for space weather forecasting. As of spring 2020, here's a tour of the NASA and NOAA Heliophysics fleets from the near-Earth satellites out to the inner solar system.The satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observations || ", "release_date": "2021-03-01T10:00:00-05:00", "update_date": "2024-01-25T00:13:51.212003-05:00", "main_image": { "id": 386740, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004887/Sentinels2020.noaa.InnerSolarSystem.GSE.AU.clockSlate_EarthTarget.HD1080i.00200_print.jpg", "filename": "Sentinels2020.noaa.InnerSolarSystem.GSE.AU.clockSlate_EarthTarget.HD1080i.00200_print.jpg", "media_type": "Image", "alt_text": "This visualization presents orbits of the current heliophysics satellites covering the space near Earth, out to the Sun-Earth Lagrange point, L1, and finally a view of the current missions operating in the inner solar system.", "width": 1024, "height": 576, "pixels": 589824 } } ] }