153 Hilda

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left|thumb|A_schematic_of_the_orbit_of_153_Hilda_(green),_with_Jupiter (red). The open red circles are the Jovian Lagrange points that Hilda approaches.Based on orbital data from the year 2000. Hilda seldom approaches the Lagrangians exactly.] ]

153 Hilda is a very large asteroid in the outer Main belt. Because it is composed of primitive carbonaceous materials, it has a very dark surface.

Hilda gives its name to an asteroid group called Hilda asteroids (or shorter "Hildas"). It is not an asteroid family since the members are not physically related. Instead they are asteroids locked in a 2:3 orbital resonance with Jupiter.

It was discovered by J. Palisa on November 2, 1875.

Hilda was observed to occult a star on December 31, 2002 from Japan.

It has a very low-amplitude light curve indicating a spherical body.

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