Batygin and his co-author, Caltech astronomer Mike Brown, described the first three breadcrumbs on Planet Nine's trail in a January 2016 paper, published in the Astronomical Journal.
Now NASA says there would be more holes in its calculations if the planet didn't exist, than if it does. Astronomers believe that at the edge of the Solar system is another heavenly body, what the planet is absolutely not mythical, known to all as Nibiru.
The mysterious planet is estimated to be about 10 times massive than planet earth and probably 20 times further from the sun than the eighth planet Neptune.
NASA has said they are "closing in" on the planet - along with presenting five points of evidence the plant exists.
"Over long periods of time, Planet Nine will make the entire solar-system plane precess or wobble, just like a top on a table", Prof Batygin said.
But to provide further evidence, these orbits also are tilted the same way, about 30 degrees "downward" compared to the pancake-like plane within which the planets orbit the sun.
NASA experts thus underscore the fact that the existence of the ninth planet is not fully proven, but a heavenly body does not threaten the well-being of the Earth.
But the conspiracy theorists could be onto something when it comes to Planet Nine. A picture published by Futurism.com shows the supposed orbit of the six most distant Kuiper Belt objects and Planet Nine, demonstrating how the latter explains the former.
Another important aspect which gives life to the existence of the planet is the orbital of the Kuiper belt objects in the opposite direction of the other solar objects.
Caltech graduate student, Elizabeth Bailey, showed that Planet Nine could have tilted the planets of our solar system during the last 4.5 billion years. "These things have been twisted out of the solar system plane with help from Planet Nine and then scattered inward by Neptune", said Batygin.
The only thing left now is to find the planet itself - a feat which Batygin and Brown are already working on.
The team is now turning their attention to finding the super-sized icy planet, and will use the Subaru Telescope at Mauna Kea Observatory in Hawaii to scour the skies for the distant object.
"All of a sudden, you have five different puzzles, and you must come up with five different theories to explain them", the astrophysicist explained.
The instrument is the "best tool" for picking out dim, extremely distant objects lost in huge swaths of sky, Batygin said.