Comet Encke
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Comet Encke, or Encke's Comet, is a periodic comet that completes an orbit of the Sun once every 3.3 years. Encke was first recorded by Pierre Méchain on 17 January 1786, but it was not recognized as a periodic comet until 1819 when its orbit was... Wikipedia
Orbital period: 1,205 days
Radius: 1.4913 mi
Discovered: January 17, 1786
Discoverers: Pierre Méchain and Carl Ludwig Christian Rümker
Last perihelion: March 10, 2017
Argument of periapsis: 187.3°
Earth MOID: 0.17 AU (25 million km)