|Questa voce ha bisogno di essere tradotta.|
CFBDSIR 2149-0403 (full designation CFBDSIR J214947.2-040308.9) is a brown dwarf and probable rogue planet, likely (with 87% probability) part of the AB Doradus moving group as indicated by its position and proper motion. Its age is estimated to be between 20 and 200 million years.
As of November 2012, this rogue planet is the closest that has ever been spotted. If the object belongs to the AB Doradus moving group then its distance is estimated to be 40±4 parsecs (130±13 light years) from Earth; other possible estimates range from 25 to 50 parsecs.