P/2016 G1 (PanSTARRS) (original) (raw)
P/2016 G1 (PanSTARRS) was an asteroid that astronomers believe disintegrated in 2016. When observed, on April 1, 2016, discoverers Robert Weryk and thought the object was an Encke-type comet, and the object was subsequently designated P/2016 G1. After further analysis, what had initially appeared to be a comet's halo turned out to be rubble from a collision. By November 2019, analysis suggested the collision had occurred on March 6, 2016, and the asteroid was struck by a smaller object that may have massed only 1 kilogram (2.2 lb), and was traveling at 11,000 miles per hour (18,000 km/h). P/2016 G1's diameter was between 200 metres (660 ft) and 400 metres (1,300 ft).
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| dbo:abstract | P/2016 G1 (PanSTARRS) was an asteroid that astronomers believe disintegrated in 2016. When observed, on April 1, 2016, discoverers Robert Weryk and thought the object was an Encke-type comet, and the object was subsequently designated P/2016 G1. After further analysis, what had initially appeared to be a comet's halo turned out to be rubble from a collision. By November 2019, analysis suggested the collision had occurred on March 6, 2016, and the asteroid was struck by a smaller object that may have massed only 1 kilogram (2.2 lb), and was traveling at 11,000 miles per hour (18,000 km/h). P/2016 G1's diameter was between 200 metres (660 ft) and 400 metres (1,300 ft). Earlier images were found of an intact asteroid in 2015. The asteroid had completely disintegrated by 2017. Astronomers were able to use the asteroid's rubble to determine the date of the collision, since the dispersion of dust was inversely proportional to its size. (en) P/2016 G1 PANSTARRS è una cometa periodica appartenente alla famiglia delle comete della fascia principale. Scoperta dal programma di ricerca astronomica Pan-STARRS il 1º aprile 2016 già al momento dell'annuncio della scoperta erano state trovate immagini di prescoperta risalenti al 12 marzo 2016. La cometa in effetti è un asteroide che è entrato in collisione con un asteroide più piccolo, la collisione ha frantumato l'asteroide in frammenti di dimensioni non superiori a 30 metri di diametro, questi frammenti e le polveri connesse hanno dato all'asteroide l'aspetto di una cometa, la collisione non è stata osservata ma secondo i calcoli fatti a posteriori sarebbe avvenuta il 6 marzo 2016, ± 3 giorni, permettendo la sua scoperta pochi giorni dopo. (it) |
| dbo:wikiPageExternalLink | https://minorplanetcenter.net/db_search/show_object%3Fobject_id=P/2016+G1 http://www.obs-hp.fr/~larnold/v2/LucArnold/P2016G1_PANSTARRS.html |
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| dbo:wikiPageWikiLink | dbr:Robert_Weryk dbc:Active_asteroids dbc:Encke-type_comets dbr:Encke-type_comet dbc:Minor_planet_object_articles_(unnumbered) dbr:Asteroid dbr:Minor_Planet_Center dbr:Richard_J._Wainscoat |
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| rdfs:comment | P/2016 G1 (PanSTARRS) was an asteroid that astronomers believe disintegrated in 2016. When observed, on April 1, 2016, discoverers Robert Weryk and thought the object was an Encke-type comet, and the object was subsequently designated P/2016 G1. After further analysis, what had initially appeared to be a comet's halo turned out to be rubble from a collision. By November 2019, analysis suggested the collision had occurred on March 6, 2016, and the asteroid was struck by a smaller object that may have massed only 1 kilogram (2.2 lb), and was traveling at 11,000 miles per hour (18,000 km/h). P/2016 G1's diameter was between 200 metres (660 ft) and 400 metres (1,300 ft). (en) P/2016 G1 PANSTARRS è una cometa periodica appartenente alla famiglia delle comete della fascia principale. Scoperta dal programma di ricerca astronomica Pan-STARRS il 1º aprile 2016 già al momento dell'annuncio della scoperta erano state trovate immagini di prescoperta risalenti al 12 marzo 2016. (it) |
| rdfs:label | P/2016 G1 PANSTARRS (it) P/2016 G1 (PanSTARRS) (en) |
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