(190) Ismene

Template: Infobox Asteroid / Maintenance / Error 1

(190 ) Ismene is an asteroid of the outer main asteroid belt, which was discovered on 22 September 1878 by Christian Heinrich Friedrich Peters.

It was named after celestial bodies Ismene, daughter of Oedipus and Jocasta from the Greek mythology.

Ismene moves at a distance of 3.3 ( perihelion ) to 4.6 ( aphelion ) astronomical units in 8.0 years of the sun. The orbit is inclined 16.2 ° to the ecliptic, the orbital eccentricity is 0.16. Ismene has a diameter of approximately 160 kilometers. It has a dark carbonaceous surface with an albedo of 0.07. In about 6.5 hours to rotate around its own axis.

Ismene is one of the Hilda asteroids. This is a group of asteroids that run in a 3:2 orbital resonance with the planet Jupiter around the Sun.

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