Tags: Star.

54 Leonis A/B is a binary star in the Leo constellation. It is located about 290 lightyears or 89 parsecs from the Earth.This star has 2.59 times the mass of the Sun with a projected rotational velocity of 182 km s–1. Asteroid 729 Watsonia Occults HIP 53417 2013 Mar 03 01:48.

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