Craters Seneca Origin of the name Lucius Annaeus; Roman philosopher, natural scientist (4 B.C.- A.D. 65). When to observe it … Nearby Plutarch 80 km Urey 209 km Cannon 212 km Hahn 215 km Hubble 237 km Lyapunov 259 km Rayleigh 268 km Gauss 282 km