C/2017 K2 (PANSTARRS)
Author(s): Art Blos
C/2017 K2 (PANSTARRS) is an Oort Cloud comet with a hyperbolic orbit. It was discovered on May 21, 2017, when it was at a distance of 16 AU (2.4 billion kilometers) from the Sun, between the orbits of Saturn and Uranus. On July 14, 2022, the comet will pass at a distance of 1.8 AU (270 million kilometers from Earth and will have a magnitude of 9.0 and can only be seen with binoculars or telescopes. It will reach perihelion on December 19, 2022, close to the orbit of Mars, but it will also not be visible to the naked eye, as it will be at magnitude 8.0.
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