Posidonius (crater)
Mosaic of Lunar Reconnaissance Orbiter images | |
| Coordinates | 31°53′N 29°59′E / 31.88°N 29.99°E |
|---|---|
| Diameter | 95 km |
| Depth | 2.3 km |
| Colongitude | 343° at sunrise |
| Eponym | Posidonius |
Posidonius is a lunar impact crater that is located on the north-eastern edge of Mare Serenitatis, to the south of Lacus Somniorum. It was named after ancient Greek philosopher and geographer Posidonius of Apamea. The crater Chacornac is attached to the southeast rim, and to the north is Daniell.