Date of Birth: 
Place of Birth: Lyon, Auvergne-Rhône-Alpes, France
About Jean Chacornac
- Jean Chacornac (June 21, 1823 – September 23, 1873) was a French astronomer and discoverer of a comet and several asteroids.He was born in Lyon and died in Saint-Jean-en-Royans, southeastern France.
- Working in Marseille and Paris, he discovered six asteroids in the asteroid belt (see table) and C/1852 K1 (Chacornac), a parabolic comet in 1852.
- This comet is thought to be the source of the current Eta Eridanids meteors.
- He also independently discovered 20 Massalia, which discovery is credited to the Italian astronomer Annibale de Gasparis, however.Jean Chacornac was awarded the Lalande Prize in 1855, 1856 and in 1863.
- The asteroid 1622 Chacornac and the lunar crater Chacornac are named in his honour.
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