2MASS J0441+2301 is a young quadruple system hosting a sub-brown dwarf, a red dwarf star and two brown dwarfs, approximately 470 light years away.
Planetary system
The primary is orbited by a companion about 5–10 times the mass of Jupiter. The mass of the primary brown dwarf is roughly 20 times the mass of Jupiter and its age is roughly one million years. ==See also==