It's far from definitive evidence, but it's yet another step toward discovering or debunking the myth of Planet Nine. But first spotted close to Halloween in 2015, and typically invisible to humans on Earth except for around this time of year, The Goblin's existence, say astronomers, points to the possibility of another as-yet-unseen, Neptune-sized planet nearby, according to The Guardian. The Goblin's orbit is consistent with the much-talked-about but yet-to-be-proven Planet 9.
The small icy planet has the rough width of MA, and its solar orbit takes a staggering 40,000 years to complete.
Only two other orbs-2012 VP113 and Sedna-have more-distant perihelia. But it wasn't publicly unveiled until Tuesday, after further observations with ground telescopes. The new extremely distant object far beyond Pluto has an orbit that supports the presence of a larger unknown planet or "Planet X". They were found by some of the same astronomers. "The more of them we can find, the better we can understand the outer Solar System and the possible planet that we think is shaping their orbits-a discovery that would redefine our knowledge of the Solar System's evolution", Sheppard added.
In fact, the object is so far away that even during its perihelion-the part of the orbit that is closest to the Sun-it is no more than 65 AU.
"These distant objects are like breadcrumbs leading us to Planet X", said Scott Sheppard, a researcher at the Carnegie Institution of Science. Its orbit has a larger semi-major axis than both 2012 VP11 and Sedna, so it travels much farther from the Sun, out to 2300 AU.
Sheppard and one of his colleagues on this study, David Tholen from the University of Hawaii, were also behind the discovery of 2012 VP113, another IOCO.
They have classified it as an inner Oort Cloud object since it hovers within the shell of distant icy objects covering the Solar System.
"What makes this result really interesting is that Planet X seems to affect 2015 TG387 the same way as all the other extremely distant Solar System objects". Whether or not Planet X exists, we're certainly a long ways away from discovering it, much less developing the technology that will allow us to warp speed our asses over there. For some 99 percent of their orbits, they are too distant and thus too faint for us to observe them.
"We are only just now uncovering what the very outer solar system might look like and what might be out there", said Scott Sheppard of the research team.
The names, Eris, Makemake, Sedna, Quaoar, Varuna and Haumea, are not part of most peoples' vocabulary, as these are a few of the new dwarf type planets that lie within this wonderful region in the solar system, known as the Kuiper Belt.