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...
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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 (2,325 words) - 16:08, 24 May 2025
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...
287 KB (1,114 words) - 15:55, 9 June 2025
trans-Neptunian object is a trans-Neptunian object (TNO) in mean-motion orbital resonance with Neptune. The orbital periods of the resonant objects are...
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Planets beyond Neptune (redirect from U (trans-Neptunian object))
bimodal distribution of the nodal distances of the extreme trans-Neptunian objects: avoiding a trans-Plutonian planet or just plain bias?". Monthly Notices...
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Sedna (dwarf planet) (redirect from Trans-Neptunian object 2003 VB12)
a surface chemical makeup somewhat similar to those of other trans-Neptunian objects. Sedna has no detectable atmosphere, as its temperature is far...
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Solar System (section Extreme trans-Neptunian objects)
Sedna (76.2–937 AU) was the first extreme trans-Neptunian object to be discovered. It is a large, reddish object, and takes ~11,400 years to complete one...
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This is a list of unnumbered trans-Neptunian objects (TNOs) first observed since 1993 and grouped by the year of principal provisional designation. The...
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enters the Solar System without threatening impact with other celestial objects appears in Ross Rocklynne's 1938 short story "The Men and the Mirror"....
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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...
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number of smaller objects of historical or scientific interest, such as comets and near-Earth objects. Many trans-Neptunian objects (TNOs) have been discovered;...
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the classical planets. The name "cubewano" derives from the first trans-Neptunian object (TNO) found after Pluto and Charon: 15760 Albion, which until January...
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Kuiper belt (redirect from Kuiper Belt Object)
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...
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Gonggong (dwarf planet) (redirect from Snow White (scattered disk object))
size to Pluto's moon Charon, making it the fifth-largest known trans-Neptunian object (apart possibly from Charon). It may be sufficiently massive to...
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Astronomical symbols (section Trans-Neptunian objects)
abbreviation P when it was considered the ninth planet. The other large trans-Neptunian objects were only discovered around the dawn of the 21st century. They...
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Dwarf planet (redirect from Plutonian object)
remain classified as a planet. Eris (then known as 2003 UB313), a trans-Neptunian object, was discovered in January 2005; it was thought to be slightly larger...
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541132 Leleākūhonua (category Extreme trans-Neptunian objects)
(/ˌlɛleɪɑːˌkuːhoʊˈnuːə/) (provisional designation 2015 TG387) is an extreme trans-Neptunian object and sednoid in the outermost part of the Solar System. It was first...
16 KB (1,354 words) - 18:11, 26 June 2025
307261 Máni (category Minor planet object articles (numbered))
307261 Máni (provisional designation 2002 MS4) is a large trans-Neptunian object in the Kuiper belt, which is a region of icy planetesimals beyond Neptune...
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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)...
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Sednoid (redirect from Inner Oort cloud object)
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...
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120347 Salacia (category Binary trans-Neptunian objects)
Salacia (minor-planet designation: 120347 Salacia) is a large trans-Neptunian object (TNO) and possible dwarf planet in the Kuiper belt, approximately...
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Scattered disc (redirect from Scattered disk object)
bodies, which are a subset of the broader family of trans-Neptunian objects. The scattered-disc objects (SDOs) have orbital eccentricities ranging as high...
39 KB (4,419 words) - 18:29, 14 May 2025
The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2014. As of April 2022, it contains a...
110 KB (96 words) - 20:02, 9 February 2024
The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2020. As of April 2022, it contains a...
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(532037) 2013 FY27 (category Trans-Neptunian objects)
(532037) 2013 FY27 (provisional designation 2013 FY27) is a trans-Neptunian object and binary system that belongs to the scattered disc (like Eris). Its...
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Haumea (category Trans-Neptunian objects)
dwarf planet. Nominal estimates make it the third-largest known trans-Neptunian object, after Eris and Pluto, and approximately the size of Uranus's moon...
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Freeman Dyson proposed that trans-Neptunian objects, rather than planets, are the major potential habitat of life in space. Several hundred billion to...
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Tenth planet (disambiguation) Theoretical planetology Trans-Neptunian object Trans-Neptunian objects in fiction "Study reveals secret origins of asteroids...
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missions to the outer planets List of trans-Neptunian objects (numbered, excludes comets, see Trans-Neptunian object) NASA Jupiter Press Kit (pdf) McDowell...
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28978 Ixion (category Minor planet object articles (numbered))
designation 2001 KX76) is a large trans-Neptunian object. It is located in the Kuiper belt, a region of icy objects orbiting beyond Neptune in the outer...
61 KB (5,500 words) - 18:13, 27 June 2025