Analysis Of The Hunt For Planet X

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The Hunt for Planet X
Ever since the proposition of a ninth planet within our solar system by Scott Sheppard and Chadwick Trujillo in 2014 (Hunt 1) the hunt has been on for the elusive object. The use of extreme Kuiper Belt objects (eKBOs) which are objects believed to not be significantly influenced by Saturn, Jupiter, Uranus, and Neptune, contributed to the idea of another object in the solar system influencing them (Malhotra 1). The study of the eKBOs orbit around our sun lead to the proposal of Planet X as the object that explains the orbits of the objects themselves (More 1). The evidence is their supporting the proposal, all that is needed is the planet itself.
What is Planet X or as it is also commonly referred to as Planet Nine? It is a proposed planet by Scott Sheppard and
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One of the objections is with L91 and its orbit not being affected by a planet but by a passing star or the Milky Ways’ gravity (Mann 1). The reasoning for this being how far out L91 is, at 1430 AU at its farthest point away from the SUN being right next to the Oort cloud (Mann 1). With that being so far out you are at the mercy of outside forces from beyond the solar system, yet how would one explain it not just leaving the system itself instead of establishing an orbit. That is something a large celestial object would be able to explain. The other issue is if one argues out Neptune being the influence for kicking L91 out into the vast reach of the solar system (Mann 1), why didn’t a lot of objects of similar size and mass also do the same, assuming similar orbital patterns as the rest of the objects associated with the Kuiper Belt? That same question is posed as well for the orbits of Sedna and Pluto, why did they end up in two very different orbits around the sun given similar size and mass, and if not similar orbits in the belt, why not similar shape

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