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{{#invoke:Infobox|infobox}}

42355 Typhon ({{#invoke:IPAc-en|main}}; from Greek: Τυφών{{#invoke:Category handler|main}}) is a scattered disc object that was discovered on February 5, 2002, by the NEAT program. It measures 162±7 km in diameter, and is named after Typhon, a monster in Greek mythology.

A large moon was identified in 2006. It is named Echidna—formal designation (42355) Typhon I Echidna, {{#invoke:IPAc-en|main}}, from Greek: Έχιδνα{{#invoke:Category handler|main}}—after Echidna, the monstrous mate of Typhon. It orbits Typhon at ~1300 km, completing one orbit in about 11 days. Its diameter is estimated to be 89±6 km. Typhon is the first known binary centaur,<ref name="Noll2006-BinaryCentar">

 {{#invoke:Citation/CS1|citation

|CitationClass=journal }} </ref> using an extended definition of a centaur as an object on a non-resonant (unstable) orbit with the perihelion inside the orbit of Neptune.<ref name="DES_Elliot2005">

 {{#invoke:Citation/CS1|citation

|CitationClass=journal }} </ref>


42355 Typhon sections
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Typhon::title    Centaur::journal    Centaurs::orbit    Elliot::echidna    Objects::february    Named::minor

{{#invoke:Infobox|infobox}}

42355 Typhon ({{#invoke:IPAc-en|main}}; from Greek: Τυφών{{#invoke:Category handler|main}}) is a scattered disc object that was discovered on February 5, 2002, by the NEAT program. It measures 162±7 km in diameter, and is named after Typhon, a monster in Greek mythology.

A large moon was identified in 2006. It is named Echidna—formal designation (42355) Typhon I Echidna, {{#invoke:IPAc-en|main}}, from Greek: Έχιδνα{{#invoke:Category handler|main}}—after Echidna, the monstrous mate of Typhon. It orbits Typhon at ~1300 km, completing one orbit in about 11 days. Its diameter is estimated to be 89±6 km. Typhon is the first known binary centaur,<ref name="Noll2006-BinaryCentar">

 {{#invoke:Citation/CS1|citation

|CitationClass=journal }} </ref> using an extended definition of a centaur as an object on a non-resonant (unstable) orbit with the perihelion inside the orbit of Neptune.<ref name="DES_Elliot2005">

 {{#invoke:Citation/CS1|citation

|CitationClass=journal }} </ref>


42355 Typhon sections
Intro  References  

PREVIOUS: IntroNEXT: References
<<>>