OTS 44 is just 15 times Jupiter’s mass. With a temperature of 2,300 kelvins, this brown dwarf is also the coolest failed star known to have a disk, says Hartmann.

Astronomers estimate that OTS 44’s mass is right around 12 Jupiter masses, at the high end of the mass of a planet. And it’s about 2 million years old — a newborn in the cosmic sense.

The brown dwarf, called OTS 44, is only 15 times the mass of Jupiter. Previously, the smallest brown dwarf known to host a planet-forming disc was 25 to 30 times more massive than Jupiter.

The closest you could come to your scenario is to pair a large planet with a small star (such as Jupiter (1 Jupiter Mass) with the brown dwarf OTS 44 (at 15 Jupiter masses, it's the smallest 'star ...

The brown dwarf, called OTS 44, is only 15 times the mass of Jupiter. Previously, the smallest brown dwarf known to host a planet-forming disk was 25 to 30 times more massive than Jupiter.