meanwhile, adams suggested changing the name "georgian" to "uranus", while leverrier (through the board of longitude) suggested "neptune" for the new planet. struve gave support of that name on 29 december 1846, to the saint petersburg academy of sciences. soon "neptune" was internationally agreed among many people. it was the official name for the new planet. in roman mythology, neptune was the god of the sea, identified with the greek god, poseidon. neptune's astrological symbol is neptune's trident.