Eighth planet (disambiguation)

• Ceres (dwarf planet)
• Eleventh planet
• Fifth planet (disambiguation)
• First planet (disambiguation)
• Fourth planet (disambiguation)
• Neptune
• Ninth planet (disambiguation)
• Pluto
• Second planet (disambiguation)
• Seventh planet (disambiguation)
• Sixth planet (disambiguation)
• Tenth planet (disambiguation)
• Third planet (disambiguation)
• Twelfth planet (disambiguation)