1983TB

asteroid
Also known as: 3200 Phaethon, Phaethon

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infrared astronomy

    meteor shower

    • Cabin Creek meteorite
      In meteor and meteoroid: Meteor showers

      …among the asteroids and named Phaethon. Most researchers believe Phaethon is the burned-out remnant of a once-active comet, but its nature may only be established with observations by spacecraft. For additional information about Phaethon, see asteroid: Asteroids in unusual orbits.

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    orbit

    • asteroid distribution between Mars and Jupiter
      In asteroid: Asteroids in unusual orbits

      …of the most extreme is (3200) Phaethon, the first asteroid to be discovered by a spacecraft (the Infrared Astronomical Satellite in 1983). Phaethon approaches to within 0.14 AU of the Sun, well within the perihelion distance of 0.31 AU for Mercury, the innermost planet. By contrast, Phaethon’s aphelion distance of…

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