46P/Wirtanen
Comète
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46P/Wirtanen est une petite comète périodique avec une période orbitale d'actuellement 5,4 ans. Le rayon de son noyau est de 555 ± 40 m. Elle appartient à la famille des comètes de Jupiter, qui ont toutes un aphélie entre 5 et 6 ua. Son diamètre... Wikipédia
Rayon : 1 968,5 pi
Magnitude absolue : 15,2
Période orbitale : 1 987 jours
Découvreur : Carl Alvar Wirtanen
Date de découverte : 17 janvier 1948
Aphélie : 5,129 946 ua
Dernier périhélie : 9 juillet 2013
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It belongs to the Jupiter family of comets, all of which have aphelia between 5 and 6 AU. Its diameter is estimated at 1.4 kilometres (0.9 mi). In December 2019 ...
NASA's Hubble Space Telescope photographed comet 46P/Wirtanen on December 13, when the comet was 7.4 million miles (12 million kilometers) from Earth.
29 juin 2021 · ' 46p/wirtanen was just 7.1 million miles from earth, or 30 times the distance to the moon, which is the closest the comet had ever been to our ...
Comet 46P/Wirtanen is a short-period comet with an orbital period of 5.4 years. The comet is relatively small in size with an estimated diameter of just 1.2 ...
Comet 46P/Wirtanen is currently in the constellation of Aries, at a distance of 311,934,904 kilometers from Earth. Finder chart of 46P/ ...
Comet 46 P/Wirtanen was discovered on 15 January 1948 at Lick Observatory by Carl A. Wirtanen. Two close approaches to Jupiter in 1972 (0.28 AU) and 1984 ...
We predict the birth of a new shower on December 12, 2023, between 8:00 and 12:30 UT. The exact time of the maximum depends on the considered size frequency ...
Wirtanen is a "hyperactive" comet. Hyperactive comets are a small family of comets whose activity levels are higher than expected. They seem to emit more water ...
8 août 2023 · Icy Mystery. Comets spend most of their time far from the Sun, where it's too cold (too cold) for ices trapped within their cores to sublime ...
26 févr. 2024 · One such comet that it seems may become host to a new annual shower is Comet 46P/Wirtanen (46P). It nearly hit the headlines previously when ...