Discovered 1854 Mar. 1 by A. Marth at London.

Independently discovered 1854 Mar. 2 by N. R. Pogson at Oxford and Mar. 3 by J. Chacornac at Paris.

Named after an Oceanid, wife of Poseidon {see planet (4341)} and mother of Triton. (H 5)

Named by W. Bishop at whose private observatory the planet was discovered. The symbol used for Amphitrite in ancient times was a shell and a star.