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 (3,992 words) - 03:42, 23 April 2025
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) - 19:12, 5 April 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) - 20:21, 5 May 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...
32 KB (3,229 words) - 20:16, 5 May 2025
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...
100 KB (9,724 words) - 19:43, 7 May 2025
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...
79 KB (9,629 words) - 20:16, 6 May 2025
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...
224 KB (21,984 words) - 04:00, 16 May 2025
This is a list of unnumbered trans-Neptunian objects (TNOs) first observed since 1993 and grouped by the year of principal provisional designation. The...
56 KB (598 words) - 22:49, 13 February 2025
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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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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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) - 19:01, 27 February 2025
enters the Solar System without threatening impact with other celestial objects appears in Ross Rocklynne's 1938 short story "The Men and the Mirror"....
53 KB (4,595 words) - 11:34, 15 May 2025
the classical planets. The name "cubewano" derives from the first trans-Neptunian object (TNO) found after Pluto and Charon: 15760 Albion, which until January...
22 KB (2,362 words) - 18:25, 1 February 2025
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...
73 KB (6,010 words) - 13:09, 9 April 2025
number of smaller objects of historical or scientific interest, such as comets and near-Earth objects. Many trans-Neptunian objects (TNOs) have been discovered;...
257 KB (10,930 words) - 14:27, 29 April 2025
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...
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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...
109 KB (6,703 words) - 02:39, 24 April 2025
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...
18 KB (1,411 words) - 11:34, 11 May 2025
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...
83 KB (7,764 words) - 11:33, 11 May 2025
Planet Nine (category Hypothetical trans-Neptunian objects)
explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs)—bodies beyond Neptune that orbit the Sun at distances averaging...
184 KB (19,715 words) - 18:53, 9 May 2025
(55565) 2002 AW197 (category Minor planet object articles (numbered))
(provisional designation 2002 AW197) is a classical, non-resonant trans-Neptunian object from the Kuiper belt in the outermost region of the Solar System...
20 KB (1,383 words) - 16:05, 19 April 2025
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
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...
26 KB (2,383 words) - 17:05, 16 May 2025
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...
101 KB (9,264 words) - 16:15, 20 April 2025
Centaur (small Solar System body) (redirect from Centaur object)
Small-Body Database lists 910 centaurs. There are an additional 223 trans-Neptunian objects (objects with a semi-major axis further than Neptune's, i.e. 30.1 AU...
44 KB (4,579 words) - 13:59, 7 April 2025
Minor-planet moon (redirect from Trans-Neptunian moon)
planet Haumea was discovered to have two moons, making it the second trans-Neptunian object after Pluto known to have more than one moon. Additionally, 216...
134 KB (3,052 words) - 22:57, 10 May 2025
Tenth planet (disambiguation) Theoretical planetology Trans-Neptunian object Trans-Neptunian objects in fiction "Study reveals secret origins of asteroids...
20 KB (2,264 words) - 20:54, 9 April 2025
List of possible dwarf planets (category Lists of trans-Neptunian objects)
consideration of the surprisingly low densities of many large trans-Neptunian objects, as well as spectroscopic analysis of their surfaces, suggests...
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liquid-water ocean under its surface. Not enough is known of the larger trans-Neptunian objects to determine whether they are differentiated bodies capable of...
31 KB (3,080 words) - 13:28, 17 September 2024
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