#daebola

Requesting: list of known robotic planets.

I'm going to assume you mean "covered entirely in metal" or "having a lackluster enough native biosphere" for this one. Please note that a good number of these still have some organic life.

Acadeimos

Baird

Caminus

Combatron

Cybertron

Chitaur

Daebola

Elonia

Elysia

Galvan B

Gigantion

Junkion

Knerax Minor

Krok-Viirk

Lithone

Lucifar

Musuumei

Mars

Mechanus

Mondas

Saimea III

Neutronia

Olterhex

Opulus

Palifex

Paradron

Paryadisou

Prion

Velocitron

Zi

Zoidstar