Red Dwarf? (Score 1)

Don't know a whole lot about this stuff but I wonder if the unexplained volume could be from abnormal creation. Say perhaps instead of forming through the standard "celestial disk" accretion method that I think planets are commonly considered to form through, maybe this is a long extinct, small, Red Dwarf that's been accreting matter during its dormant travels. This kind of composition difference may explain why the gravitation forces of its mass are not creating the volume that it should (maybe the red dwarf core, as opposed to something like metallic hydrogen - assumes gas giant -, would instigate some strange EM afffects that are limiting gravitational compaction?...) Don't know if this is at all plausible.