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...emi-major axes as objects hop between resonances. The orbital poles of the objects circle that of the Solar System's [[Laplace plane]], which at large semi-ma ...Nine.png|thumb|260px|Secular evolution of eTNOs induced by Planet Nine for objects with semi-major axis of 250 AU.<ref name="Beust_2016" /><ref name="Batygin_ ...

...[[Scattered disc|SDO]]<ref name="MPC-CEN-SDO-list"/><br />[[Resonant trans-Neptunian object|3:10 res.]]<ref name="Buie"/><ref name="johnstonsarchive-TNO-list"/> | spectral_type = [[Trans-Neptunian object#Colors|B−V]]={{val|1.38|0.03}}<ref name="Boehnhardt-2014"/><ref name ...

...al biases, resulting from the difficulty of discovering and tracking these objects during much of the year.<ref name=TC-20200525/> ...ypotheses have been proposed to explain the observed clustering of [[trans-Neptunian object]]s (TNOs). ...

...a highly [[orbital eccentricity|eccentric]] orbit around Neptune, inducing extreme [[tidal heating]] in Triton's interior. This tidal heating would have likel ...r both. If cratering is primarily from [[Heliocentric orbit|heliocentric]] objects (such as [[comet]]s), either craters have been undercounted or a large regi ...

{{short description|Set of gravitationally bound objects in orbit}} ...as [[orbital resonance]]s and [[libration]]. Individually major satellite objects are designated in Roman numerals. Satellite systems are referred to either ...

| adjectives = Neptunian ({{IPAc-en|n|ɛ|p|ˈ|tj|uː|n|i|ən}}),<ref>{{OED|Neptunian}}</ref> Poseidean<ref name=Poseidean>{{Cite web |url=http://solarsystem.nas * 89,666 Neptunian [[solar day]]s<ref name="planet_years">{{cite web |last=Seligman |first=Cou ...

...]] (where it mixes with solid [[carbon monoxide]] and [[methane]]) and the Neptunian moon [[Triton (moon)|Triton]]. On Pluto it was directly observed for the fi ...[Lawrence Livermore National Lab]] Special Collections|series=Chemistry at Extreme Conditions}}</ref> ...

...]]s are very expensive and can address only a small number of astronomical objects. Therefore, less expensive methods to collect and analyse [[extraterrestria ...rs and dust telescopes are in preparation in order to study [[astronomical objects]] or [[interplanetary dust]] from comets and asteroids and [[cosmic dust|in ...

| semimajor = {{val|−1.2723|0.0001|fmt=none|u=AU}}{{efn|1=Objects on hyperbolic trajectories have negative semimajor axis, giving them a posi ...ed below 27.5 mag (the limit of [[Hubble Space Telescope]] for fast-moving objects) around 1 January 2018. By late 2019, it should have dimmed to 34 mag.}} ...