The Helios Missions
In the days before Parker Solar Probe (PSP), the previous record-breaking spacecraft for speed and closest distance to the Sun were the two Helios probes, launched in the mid-1970s. Now with PSP re-entering the environment inward of the orbit of Mercury, data from these probes is being re-examined with newer tools and compared to the newer data.
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NASA's Scientific Visualization Studio
MissionsThis visualization is related to the following missions:
Datasets used in this visualization
JPL/Horizon Orbital EphemeridesID: 597Ephemeris NASA/JPL 1974-12-10T23:51:00 to 1981-09-30T01:29:00
DE 431ID: 985Ephemeris JPL
Planetary ephemerides SPICE kernelSee all pages that use this dataset
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