A habitable planet for Procyon A

[jude_rook]

Basic data on this spectral class F subgiant can be found here.  Its luminosity is 7.5, which puts its life zone’s boundaries at 1.92 and 4.11 AU.  Earth twin distance is 2.74 AU.  An Earth twin’s year would be 4.53 Earth years, or 1654 Earth days!