Pluto
The answer is in fact Neptune because Pluto is no longer classed as a "planet."
Neptune is the furthest planet away from the sun therefore the coldest. :P
Sakardu
Philippe Panet died in 1855.
Philippe Panet was born in 1791.
Francisc Panet died in 1941.
Francisc Panet was born in 1907.
Louis Panet was born in 1794.
Louis Panet died in 1884.
Pierre-Louis Panet died in 1812.
Pierre-Louis Panet was born in 1761.
Charles-Eugène Panet was born on 1829-11-27.
Charles-Eugène Panet died on 1898-11-22.
Bernard-Claude Panet was born on 1753-01-09.