The effects Elenin would have on the inner solar system if it were a brown dwarf
This is a gravitational simulation of the solar system including a comet with Elenin’s approximate orbital elements showing the effect it would have on Saturn’s orbital elements if it had the mass of a brown dwarf vs that of a comet of negligible mass.
The first run of the simulation uses a normal, sane mass for Elenin (negligible compared to the planets). The second run of the simulation that immediately follows it gives Elenin the minimum mass for a brown dwarf, 13 MJ.
As you can see, during the second run from the start of the simulated period on March 10th of this year until now, Saturn’s eccentricity drops nearly 20% due to the perturbations of a minimum mass brown dwarf following the approximate orbit of Elenin. This is completely inconsistent with current observations of Saturn that do not show it to be out of place.
This is the follow up video showing that Elenin would severely perturb the positions of the planets at the present point in time if it were a brown dwarf.
This video is a closeup shot of the inner solar system to show what Elenin would do to it if it were a minimum mass brown dwarf (13 MJ). I adjusted the orbital elements for Elenin within Universe Sandbox to make them as precise as possible given the rounding limits of the program.
By the beginning of this year Elenin would already be visibly perturbing the inner solar system planets, particularly Venus, Earth, and Mars. You can see this by how much they deviate from the trails the traced out in previous orbits (something which does not happen when you reduce Elenin’s mass to that of a comet or asteroid). This only gets worse as the year progresses and there would be no mistaking the improper positions of the planets by now if it were actually a brown dwarf.
The climax occurs during “brown dwarf” Elenin’s perigee; due to its close proximity to earth, earth is completely pulled out of its orbit and into a highly eccentric orbit resembling that of a long period comet. Earth rapidly passes the orbital radius of Mars and eventually Jupiter on its way out of the inner solar system. There would be no surviving such a disaster, the entire planet would rapidly go into a state of deep freeze as it moves unavoidably farther and farther from the sun.
Fortunately there’s no question that Elenin is not a brown dwarf. The perturbations that would precede this disaster are not happening and a brown dwarf would reflect to make it easily visible at that distance regardless of whether it was still emitting any light itself or not. Elenin is a very dim comet, even to infrared sensitive cameras attached to telescopes.
Source and author: messierhunter (youtube)