• 297E-316-Weird Centaur

  • Aug 13 2024
  • Duración: 2 m
  • Podcast

297E-316-Weird Centaur

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  • Resumen

  • My Catalina Sky Survey teammate Richard Kowalski was surprised to find a moving point of light on some his images which was more than 50 times brighter than a typical Earth approaching object he observes . He was even more amazed when it was not cataloged as a known object and he reported his observations to the Minor Planet Center. A couple of hours before Richard spotted it, scientists using the Space Surveillance Telescope in New Mexico had picked up this unknown object on some of their images but did not immediately report their observations. For the next 67 hours the new object was tracked by telescopes at 24 different observatories around the world. These observations allowed the Minor Planet Center to calculate an orbit, give it the name 2016 WM48, and classify it as a Centaur. Centaurs are named after the mythical beasts which were half human and half horse perhaps because they have characteristics of both asteroids and comets. Richard's object, 2016 WM48, is about a mile in diameter. We don't know if it has rings, tiny moons, or a gas cloud surrounding it as some other Centaurs do. 2016 WM48 must have had a catastrophic collision in the past few million years which put it on a very elliptical path which is tipped at 60 degrees or so to the solar system's plane. Centaurs do not have stable orbits. Their paths are changed as they come near to the giant planets Jupiter, Saturn, Uranus, and Neptune. A Centaur's fate is to likely collide with the Sun or a planet or perhaps even be ejected from the solar system
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