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Eulalia ( minor planet designation: 495 Eulalia) is a
minor planet According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''mino ...
orbiting the
Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...
. Eulalia is very near the 3:1 Jupiter orbital resonance. It is possible that the disruption of Eulalia's parent body resulted in a mass bombardment of the Earth and Moon 800 million years ago, forming the Copernicus crater on the Moon and involving about 50 times the amount of material of the
Chicxulub impact The Chicxulub crater () is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore near the community of Chicxulub, after which it is named. It was formed slightly over 66 million years ago when a large a ...
on Earth at the beginning of the Cryogenian geological period.Terada, K., Morota, T. & Kato, M
Asteroid shower on the Earth-Moon system immediately before the Cryogenian period revealed by KAGUYA.
''Nature Communications'' 11, 3453 (2020). https://doi.org/10.1038/s41467-020-17115-6


References


External links


Lightcurve plot of 495 Eulalia
Palmer Divide Observatory, B. D. Warner (2012)
Asteroid Lightcurve Database (LCDB)
query form

)
Dictionary of Minor Planet Names
Google books

– Observatoire de Genève, Raoul Behrend

– Minor Planet Center * * Background asteroids Eulalia Eulalia 19021025 {{Beltasteroid-stub