• Thumbnail for Extreme trans-Neptunian object
    An extreme trans-Neptunian object (ETNO) is a trans-Neptunian object orbiting the Sun well beyond Neptune (30 AU) in the outermost region of the Solar...
    30 KB (2,333 words) - 18:22, 14 August 2024
  • A trans-Neptunian object (TNO), also written transneptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance...
    41 KB (4,017 words) - 07:19, 11 October 2024
  • Thumbnail for List of trans-Neptunian objects
    This is a list of trans-Neptunian objects (TNOs), which are minor planets in the Solar System that orbit the Sun at a greater distance on average than...
    282 KB (1,089 words) - 00:00, 30 October 2024
  • Thumbnail for Sedna (dwarf planet)
    reddish-colored tholins, a chemical makeup similar to those of some other trans-Neptunian objects. Within the range of uncertainties, it is tied with the dwarf planet...
    88 KB (8,325 words) - 21:35, 30 October 2024
  • Thumbnail for Planets beyond Neptune
    the clustered extreme trans-Neptunian objects. Because Pluto is no longer considered a planet by the IAU, this new hypothetical object has become known...
    76 KB (9,330 words) - 21:06, 5 November 2024
  • trans-Neptunian object is a trans-Neptunian object (TNO) in mean-motion orbital resonance with Neptune. The orbital periods of the resonant objects are...
    30 KB (3,063 words) - 05:46, 23 July 2024
  • Thumbnail for List of unnumbered trans-Neptunian objects
    This is a list of unnumbered trans-Neptunian objects (TNOs) first observed since 1993 and grouped by the year of principal provisional designation. The...
    61 KB (594 words) - 22:04, 8 August 2024
  • Thumbnail for Detached object
    objects are a dynamical class of minor planets in the outer reaches of the Solar System and belong to the broader family of trans-Neptunian objects (TNOs)...
    41 KB (2,578 words) - 14:50, 19 July 2024
  • Thumbnail for 541132 Leleākūhonua
    541132 Leleākūhonua (category Extreme trans-Neptunian objects)
    (/ˌlɛleɪɑːˌkuːhoʊˈnuːə/) (provisional designation 2015 TG387) is an extreme trans-Neptunian object and sednoid in South Mansfield Colledge outermost part of the...
    16 KB (1,314 words) - 15:55, 8 November 2024
  • Thumbnail for Solar System
    planet: Sedna (76.2–937 AU) was the first extreme trans-Neptunian object to be discovered. It is a large, reddish object, and it takes ~11,400 years for Sedna...
    222 KB (21,885 words) - 00:25, 4 November 2024
  • Thumbnail for Sednoid
    A sednoid is a trans-Neptunian object with a large semi-major axis and a high perihelion, similar to the orbit of the dwarf planet Sedna. The consensus...
    25 KB (2,340 words) - 23:03, 11 September 2024
  • Thumbnail for Planet Nine
    Planet Nine (category Hypothetical trans-Neptunian objects)
    could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances...
    176 KB (18,915 words) - 22:23, 5 November 2024
  • Thumbnail for 2012 VP113
    2012 VP113 (category Extreme trans-Neptunian objects)
    2012 VP113, also known by its nickname "Biden", is a trans-Neptunian object of the sednoid population, located in the outermost reaches of the Solar System...
    18 KB (1,297 words) - 01:55, 13 October 2024
  • Thumbnail for Scattered disc
    bodies, which are a subset of the broader family of trans-Neptunian objects. The scattered-disc objects (SDOs) have orbital eccentricities ranging as high...
    38 KB (4,419 words) - 06:32, 21 October 2024
  • 474640 Alicanto (category Extreme trans-Neptunian objects)
    Alicanto (provisional designation 2004 VN112) is a detached extreme trans-Neptunian object. It was discovered on 6 November 2004, by American astronomer...
    13 KB (939 words) - 18:47, 28 July 2024
  • Thumbnail for Classical Kuiper belt object
    the classical planets. The name "cubewano" derives from the first trans-Neptunian object (TNO) found after Pluto and Charon: 15760 Albion, which until January...
    23 KB (2,380 words) - 00:04, 20 August 2024
  • The hypothetical Planet Nine would modify the orbits of extreme trans-Neptunian objects via a combination of effects. On very long timescales exchanges...
    38 KB (4,289 words) - 03:30, 31 July 2024
  • Thumbnail for 2015 BP519
    2015 BP519 (category Extreme trans-Neptunian objects)
    2015 BP519, nicknamed Caju, is an extreme trans-Neptunian object from the scattered disc on a highly eccentric and inclined orbit in the outermost region...
    12 KB (723 words) - 21:34, 14 January 2024
  • Thumbnail for List of Solar System objects by size
    number of smaller objects of historical or scientific interest, such as comets and near-Earth objects. Many trans-Neptunian objects (TNOs) have been discovered;...
    251 KB (10,721 words) - 20:35, 6 November 2024
  • Thumbnail for 2013 FT28
    2013 FT28 (category Extreme trans-Neptunian objects)
    axis, high perihelion extreme trans-Neptunian object that is anti-aligned with the other known extreme trans-Neptunian objects such as Sedna and 2012...
    4 KB (231 words) - 21:33, 14 January 2024
  • Thumbnail for Centaur (small Solar System body)
    Small-Body Database lists 452 centaurs. There are an additional 116 trans-Neptunian objects (objects with a semi-major axis further than Neptune's, i.e. 30.1 AU...
    43 KB (4,573 words) - 02:55, 31 October 2024
  • Thumbnail for 2014 FE72
    2014 FE72 (category Extreme trans-Neptunian objects)
    2014 FE72 is a trans-Neptunian object first observed on 26 March 2014, at Cerro Tololo Inter-American Observatory in La Serena, Chile. It is a possible...
    9 KB (515 words) - 22:37, 23 January 2024
  • Thumbnail for Kuiper belt
    Hills cloud or Oort cloud objects, are collectively referred to as trans-Neptunian objects (TNOs). Pluto is the largest and most massive member of the Kuiper...
    118 KB (13,219 words) - 10:06, 31 October 2024
  • Thumbnail for 2013 RA109
    2013 RA109 (category Extreme trans-Neptunian objects)
    2013 RA109, is an extreme trans-Neptunian object discovered on September 12, 2013. This object orbits the Sun between 46.0 and 869 AU (6.9 and 130 billion km)...
    3 KB (82 words) - 21:33, 14 January 2024
  • In astronomy, the plutinos are a dynamical group of trans-Neptunian objects that orbit in 2:3 mean-motion resonance with Neptune. This means that for...
    14 KB (980 words) - 03:30, 29 August 2024
  • Thumbnail for List of Solar System objects by greatest aphelion
    needed] List of trans-Neptunian objects (numbered minor planets only) List of unnumbered trans-Neptunian objects List of artificial objects leaving the Solar...
    28 KB (1,667 words) - 23:58, 29 October 2024
  • Thumbnail for (148209) 2000 CR105
    (148209) 2000 CR105 (category Extreme trans-Neptunian objects)
    CR105 is a trans-Neptunian object and the tenth-most-distant known object in the Solar System as of 2015[update]. Considered a detached object, it orbits...
    12 KB (833 words) - 19:16, 27 November 2023
  • Thumbnail for 2013 SY99
    2013 SY99 (category Extreme trans-Neptunian objects)
    2013 SY99, also known by its OSSOS survey designation uo3L91, is a trans-Neptunian object discovered on September 29, 2013 by the Outer Solar System Origins...
    12 KB (917 words) - 07:54, 26 March 2024
  • Thumbnail for Oort cloud
    Oort cloud (redirect from Oort cloud object)
    Kuiper belt, the scattered disc and the detached objects—three nearer reservoirs of trans-Neptunian objects. The outer limit of the Oort cloud defines the...
    56 KB (6,182 words) - 16:43, 31 October 2024
  • Thumbnail for 2015 KG163
    2015 KG163 (category Extreme trans-Neptunian objects)
    2015 KG163, also known as o5m52, is a trans-Neptunian object from the outermost region of the Solar System, approximately 102 kilometers (63 miles) in...
    7 KB (398 words) - 12:59, 2 February 2024