 In a letter to Herschel, Lalande described it as "un globe surmonté par la première lettre de votre nom" ("a globe surmounted by the first letter of your name").After Neptune was discovered, the Bureau des Longitudes proposed the name Neptune and the familiar trident for the planet's symbol.The astrological symbols for the first three objects discovered at the beginning of the 19th century—Ceres, Pallas, and Juno—were also created after their discovery.