This is part of another solar system that I'm working on in Space Engine about 8 light years from the one shown here. https://www.furaffinity.net/view/21107640/

In this system, for some reason, I decided to name all the planets and moons after Chronicles of Narnia characters. Here we have the twin planets Rabadash and Tumnus.
The larger planet, Rabadash, is a relatively cold world slightly smaller than Earth. Despite having no major bodies of water it hosts life, though nothing more advanced than insects. The smaller planet, Tumnus, is slightly larger than Mars. It is a rather hot world but has an Earthlike surface of oceans and continents. It is home to intelligent life, originally seeded by microbes carried on meteors from Rabadash. The two planets revolve about a barycenter (center of mass) only a few hundred miles above the surface of Rabadash with a period of about 28 hours. Together they form the third planet, um, thingy orbiting their sun, an orange dwarf. The planets and moons of the system are all in place, but I am still figuring out custom surfaces.
The "star" next to Rabadash is actually another, more distant planet in the system, a gas giant named Aslan.

Space Engine belongs to Vladimir Romanyuk