**First Appearance:** #book2 Just over 20 light years from Sol, which puts it near the edge of known space in that direction. A binary system of one red dwarf and one brown dwarf. Its claim to fame is that it once passed close enough to Sol’s Oort cloud (about 70 thousand years ago) to perturb the orbits of a bunch of cometary bodies, thus setting up a bunch of comets to enter Sol system in about two million years. Echo is the only intact planet in its system, the rest are just rocks.