Starting in December 2019, Tuscany Bay Books will be releasing an 11-book anthology series: Planetary Anthology Series.
First up is Pluto. You can pre-order the e-book edition now. On Dec. 5th you can get it for free if you are a KU subscriber on Amazon. Shortly after Dec. 5th you should be able to order the paperback edition as well.
Next up is Luna and then Uranus. Mercury, Venus, Earth, Mars, Jupiter, Neptune, Sol and Saturn should then follow.