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These Solar System minor planets are the furthest from the Sun as of December 2021. The objects have been categorized by their approximate current distance from the Sun, and not by the calculated aphelion of their orbit. The list changes over time because the objects are moving. Some objects are inbound and some are outbound. It would be difficult to detect long-distance comets if it were not for their comas, which become visible when heated by the Sun. Distances are measured in astronomical units (AU, Sun–Earth distances). The distances are not the minimum (perihelion) or the maximum (aphelion) that may be achieved by these objects in the future.

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  • Liste des objets transneptuniens connus les plus lointains (fr)
  • Oggetti del sistema solare più lontani dal Sole (it)
  • List of Solar System objects most distant from the Sun (en)
  • 2015年距太阳最远的太阳系天体名单 (zh)
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  • 以下是截至2020年3月,太阳系中距太阳最遥远的小行星。这些天体是以它们与太阳的近拟日心点距离,而非按轨道计算出的最大远日点距离来分类的。该列表会随着时间的推移而变化,因为这些天体正在不断移动,有些会更近,有而些则更远。远距离的彗星若非被太阳加热而使彗发变得清晰可见,那么它们也很难被探测到。距离是以天文单位(日-地间距离)来测量的,不是这些天体将来可能达到的最小值(近日点)或最大值(远日点)。 该列表不包括近抛物线轨道彗星,其中许多目前离太阳已超过100 个天文单位(150亿公里),距离太远,当前无法用望远镜观察到。跨海王星天体通常在发现后数月或数年才公布,以确保公布前其轨道的正确性。由于它们与太阳的距离更大且在天空中移动缓慢,因此观测弧小于数年的跨海王星天体通常其轨道约束性较差,2020年发现的特别遥远的天体可能要到2022年或更晚时间才会宣布。 (zh)
  • These Solar System minor planets are the furthest from the Sun as of December 2021. The objects have been categorized by their approximate current distance from the Sun, and not by the calculated aphelion of their orbit. The list changes over time because the objects are moving. Some objects are inbound and some are outbound. It would be difficult to detect long-distance comets if it were not for their comas, which become visible when heated by the Sun. Distances are measured in astronomical units (AU, Sun–Earth distances). The distances are not the minimum (perihelion) or the maximum (aphelion) that may be achieved by these objects in the future. (en)
  • Questa è una lista di planetoidi del sistema solare che erano i più lontani dal Sole a dicembre 2015 e/o marzo 2018. Gli oggetti sono stati classificati in base alla loro distanza eliocentrica approssimativa dal Sole e non dal più grande afelio calcolato della loro orbita. L'elenco cambia nel tempo perché gli oggetti si stanno muovendo: alcuni sono in avvicinamento e altri in allontanamento. Sarebbe difficile rilevare comete poste a lunga distanza, se non fosse per le loro chiome, che diventano visibili quando vengono riscaldate dal Sole. (it)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Eris_and_dysnomia2.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sedna_PRC2004-14d.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sednoid_orbits.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Kuiper_belt_plot_objects_of_outer_solar_system.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/2018_AG37-orbit.png
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  • These Solar System minor planets are the furthest from the Sun as of December 2021. The objects have been categorized by their approximate current distance from the Sun, and not by the calculated aphelion of their orbit. The list changes over time because the objects are moving. Some objects are inbound and some are outbound. It would be difficult to detect long-distance comets if it were not for their comas, which become visible when heated by the Sun. Distances are measured in astronomical units (AU, Sun–Earth distances). The distances are not the minimum (perihelion) or the maximum (aphelion) that may be achieved by these objects in the future. This list does not include near-parabolic comets of which many are known to be currently more than 100 AU (15 billion km) from the Sun, but are currently too far away to be observed by telescope. Trans-Neptunian objects are typically announced publicly months or years after their discovery, so as to make sure the orbit is correct before announcing it. Due to their greater distance from the Sun and slow movement across the sky, trans-Neptunian objects with observation arcs less than several years often have poorly constrained orbits. Particularly distant objects take several years of observations to establish a crude orbit solution before being announced. For instance, the most distant known trans-Neptunian object 2018 AG37 was discovered by Scott Sheppard in January 2018 but was announced three years later in February 2021. (en)
  • Questa è una lista di planetoidi del sistema solare che erano i più lontani dal Sole a dicembre 2015 e/o marzo 2018. Gli oggetti sono stati classificati in base alla loro distanza eliocentrica approssimativa dal Sole e non dal più grande afelio calcolato della loro orbita. L'elenco cambia nel tempo perché gli oggetti si stanno muovendo: alcuni sono in avvicinamento e altri in allontanamento. Sarebbe difficile rilevare comete poste a lunga distanza, se non fosse per le loro chiome, che diventano visibili quando vengono riscaldate dal Sole. Le distanze sono misurate in unità astronomiche (UA, distanza Sole-Terra). Le distanze non sono la minima (perielio) o la massima (afelio) che potrebbero essere raggiunte da questi oggetti in futuro. Questo elenco non include le comete quasi paraboliche di cui molte sono note essere attualmente a più di 100 au (1,5×1010 km) dal Sole, ma sono troppo lontane per essere attualmente osservabili dai telescopi. Nel marzo 2018 diversi nuovi oggetti transnettuniani (TNO) con una distanza eliocentrica superiore a 50 UA sono stati annunciati da Scott S. Sheppard, Chad Trujillo e David J. Tholen. Gli oggetti transnettuniani sono in genere annunciati pubblicamente mesi o anni dopo la loro scoperta, in modo da assicurarsi che l'orbita sia corretta prima di annunciarli. A causa della loro maggiore distanza dal Sole e del lento movimento attraverso il cielo, gli oggetti transnettuniani con inferiori a diversi anni hanno spesso orbite scarsamente vincolate. Gli oggetti particolarmente distanti scoperti nel 2018 possono essere annunciati solo nel 2020 o successivamente. (it)
  • 以下是截至2020年3月,太阳系中距太阳最遥远的小行星。这些天体是以它们与太阳的近拟日心点距离,而非按轨道计算出的最大远日点距离来分类的。该列表会随着时间的推移而变化,因为这些天体正在不断移动,有些会更近,有而些则更远。远距离的彗星若非被太阳加热而使彗发变得清晰可见,那么它们也很难被探测到。距离是以天文单位(日-地间距离)来测量的,不是这些天体将来可能达到的最小值(近日点)或最大值(远日点)。 该列表不包括近抛物线轨道彗星,其中许多目前离太阳已超过100 个天文单位(150亿公里),距离太远,当前无法用望远镜观察到。跨海王星天体通常在发现后数月或数年才公布,以确保公布前其轨道的正确性。由于它们与太阳的距离更大且在天空中移动缓慢,因此观测弧小于数年的跨海王星天体通常其轨道约束性较差,2020年发现的特别遥远的天体可能要到2022年或更晚时间才会宣布。 (zh)
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