description 153 Hilda Overview
153 Hilda is an asteroid in the outer main belt discovered by Johann Palisa on 2 November 1875 at the Austrian Naval Observatory in Pula. It gives its name to the Hilda group, a dynamical population in a 3:2 mean-motion resonance with Jupiter; Hilda itself has a P-type spectrum, a diameter of roughly 170 kilometers, and an orbital period of about 7.9 years.
help 153 Hilda FAQ
Who discovered asteroid 153 Hilda?
Johann Palisa discovered 153 Hilda on 2 November 1875. The discovery took place at the Austrian Naval Observatory in Pula.
What is the Hilda group named after?
The Hilda group is named after asteroid 153 Hilda. Its members occupy a 3:2 mean-motion resonance with Jupiter, so they complete about three orbits for every two of Jupiter's.
What type of asteroid is 153 Hilda?
153 Hilda has a P-type spectrum, associated with a dark, reddish, low-reflectivity surface. It is located in the outer main belt and serves as the namesake of the Hilda population.
When was 153 Hilda discovered?
153 Hilda was discovered on 2 November 1875. Johann Palisa found it at the Austrian Naval Observatory in Pula, a historic port city on the Adriatic.
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