DnDWiki:Realmspace

Realmspace is a crystal sphere containing the world Toril.

The Sun
The Sun is Realmspace's primary and is a size H spherical fire body. Twelve sargassos orbit close to its surface.

Anadia
Anadia is a size B spherical earth body. It has xenophobic natives.

Coliar
Coliar is a size G spherical air body.

Toril
Toril is a size E spherical earth body. It has one moon, Selûne, and one asteroid cluster, the Tears of Selûne.

Karpri
Karpri is a size D spherical water body.

Chandos
Chandos is a size F spherical water body. It has unstable land.

Glyth
Glyth is a size E spherical earth body. It has three moons and four rings.

Garden
Garden is a cluster of size A asteroids which are all earth bodies. Garden's asteroids have a common atmosphere and are held together with a giant plant. It has been classified as a liveworld. It has twelve moons.

H'Catha
H'Catha is a size C flatworld water body. It has two moons.

Constellations
The novel Into the Void by Nigel Findley mentions a few of the constellations in Realmspace: the Harp, the Sword and Dagger, and the Lady of Mystery. The Lady of Mystery was newly identified after the Time of Troubles, named after the new goddess born at that time (Mystra, who was formerly known as Midnight). The stars comprising that constellation were formerly considered to be two separate constellations, the Dragon of Dawn and the Firbolg.