Disrupted planet Hypothetical planetary object List of solar system bodies formerly considered planets Planets beyond Neptune Trans-Neptunian object Trans-Neptunian objects in fiction Disambiguated links: First planet (disambiguation) Second planet (disambiguation) Third planet (disambiguation) Fourth planet (disambiguation) Fifth planet (disambiguation) Sixth planet (disambiguation) Seventh planet (disambiguation) Eighth planet (disambiguation) Ninth planet (disambiguation) Tenth planet (disambiguation) Eleventh planet Twelfth planet (disambiguation)