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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effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun...
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hypothetical Planet Nine would modify the orbits of extreme trans-Neptunian objects via a combination of effects. On very long timescales exchanges of angular...
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extreme trans-Neptunian objects. Because Pluto is no longer considered a planet by the IAU, this new hypothetical object has become known as Planet Nine. In...
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widespread deposits of reddish-colored tholins, a chemical makeup similar to those of some other trans-Neptunian objects. Within the range of uncertainties...
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System objects Nemesis – Hypothetical star orbiting the Sun, supposedly responsible for extinction events Planet Nine – Hypothetical Solar System planet Theia –...
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Haumea (redirect from Ataecina (dwarf planet))
a dwarf planet. Nominal estimates make it the third-largest known trans-Neptunian object, after Eris and Pluto, and approximately the size of Uranus's...
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Nine likeliest dwarf planets and dates of discovery A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough...
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Kuiper belt (redirect from Kuiper belt objects)
Asteroid belt List of possible dwarf planets List of trans-Neptunian objects Planet Nine The literature is inconsistent in the usage of the terms scattered...
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Solar System (redirect from Nine planets)
hypothesized that Planet Nine (a planet beyond Neptune) might exist, based on statistical variance in the orbit of extreme trans-Neptunian objects. Their closest...
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Neptune (redirect from Neptunian atmosphere)
the populations of small objects observed in the trans-Neptunian region. The current most widely accepted explanation of the details of this hypothesis...
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Nibiru cataclysm (redirect from Planet X collision)
clustering of the arguments of perihelion of distant trans-Neptunian objects suggested the existence of a large trans-Neptunian planet. On January 20...
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based on the low densities of some mid-sized trans-Neptunian objects that the limiting size required for a trans-Neptunian object to reach equilibrium was...
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that a distant massive ninth planet is responsible for the alignment of the perihelia of several trans-Neptunian objects with semi-major axes greater...
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Natural satellite (redirect from Planet-satellite system)
column on the right includes some notable planets, dwarf planets, asteroids, and trans-Neptunian objects for comparison. The natural satellites of the planets...
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Weywot (redirect from Moons of Quaoar)
of the trans-Neptunian dwarf planet Quaoar. It was discovered by Michael Brown and Terry-Ann Suer using images taken by the Hubble Space Telescope on...
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(307261) 2002 MS4 (redirect from Minor Planet 307261)
MS4) is a large trans-Neptunian object in the Kuiper belt, which is a region of icy planetesimals beyond Neptune. It was discovered on 18 June 2002 by...
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Oort cloud (redirect from Oort cloud object)
objects—three nearer reservoirs of trans-Neptunian objects. The outer limit of the Oort cloud defines the cosmographic boundary of the Solar System. This area...
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Jumping-Jupiter scenario (section Planet Nine cloud)
David; Tsiganis, Kleomenis (2009). "Contamination of the asteroid belt by primordial trans-Neptunian objects". Nature. 460 (7253): 364–366. Bibcode:2009Natur...
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Extraterrestrial sky (redirect from Skies of another planets)
magnitude, and at its closest would rival Canopus. A trans-Neptunian object is any minor planet in the Solar System that orbits the Sun at a greater average...
52 KB (6,264 words) - 03:55, 23 August 2024
Uranus (redirect from Planet Uranus)
"Subsurface oceans and deep interiors of medium-sized outer planet satellites and large trans-neptunian objects". Icarus. 185 (1): 258–273. Bibcode:2006Icar...
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the members of the scattered disc and any potential Hills cloud or Oort cloud objects, are collectively referred to as trans-Neptunian objects (TNOs). Two...
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Kozai mechanism (section Extrasolar planets)
important factor shaping the orbits of irregular satellites of the planets, trans-Neptunian objects, extrasolar planets, and multiple star systems.: v It...
27 KB (3,176 words) - 16:22, 20 August 2024
Asteroid (redirect from Exploration of the asteroids)
first object beyond the orbit of Neptune (other than Pluto); soon large numbers of similar objects were observed, now called trans-Neptunian object. Further...
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Io (moon) (category Astronomical objects discovered in 1610)
oʊ/), or Jupiter I, is the innermost and second-smallest of the four Galilean moons of the planet Jupiter. Slightly larger than Earth's moon, Io is the fourth-largest...
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Titan (moon) (redirect from Exploration of Titan)
ISBN 978-81-8069-761-6. Arnett, Bill (2005). "Titan". Nine planets. University of Arizona, Tucson. Archived from the original on November 21, 2005. Retrieved April 10...
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Phobos (moon) (redirect from List of geological features on Phobos)
to a planet. It orbits Mars much faster than Mars rotates and completes an orbit in just 7 hours and 39 minutes. As a result, from the surface of Mars...
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Super-Earth (redirect from Super-Earth planets)
Nine, was proposed as an explanation for the orbital behavior of six trans-Neptunian objects, but it is speculated to also be an ice giant like Uranus or...
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Europa (moon) (redirect from Life on Europa)
; Sahijpal, S. (2017). "Thermal evolution of trans-Neptunian objects, icy satellites, and minor icy planets in the early solar system". Meteoritics &...
130 KB (12,826 words) - 21:38, 20 August 2024
New Horizons (category Missions to minor planets)
Mariner Mark II, a planned family of NASA spacecraft including a Pluto mission New Horizons 2, a proposed trans-Neptunian object flyby mission Pioneer 10 Pioneer...
176 KB (17,521 words) - 02:22, 26 August 2024