Pythagoras is a prominent lunar impact crater located near the northwestern lunar limb. It lies just to the northwest of the somewhat larger Babbage crater. The crater has a oval appearance due to the oblique viewing angle. Only the western face of the interior can be viewed from the Earth, the other side being permanently out of sight.
The well-preserved rim of Pythagoras crater has a wide terrace system, and a slight rampart around the exterior. Although generally circular, observers note that the crater outline has a hexagonal form. The floor is flattened, but with an irregular, hilly surface. There is evidence of landslips around the periphery. In the center is a sharp, moutainous rise with a double-peak that ascends 1.5 kilometers above the crater floor.
| General characteristics | |
|---|---|
| Latitude | 63.5° N |
| Longitude | 62.8° W |
| Diameter | 130 km |
| Depth | 5.0 km |
| Colongitude | 60° at sunrise |
| Eponym | Pythagoras |
| References | See listing |
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Pythagoras crater.
| Pythagoras | Latitude | Longitude | Diameter |
|---|---|---|---|
| B | 66.1° N | 73.0° W | 17 km |
| D | 64.5° N | 72.0° W | 30 km |
| G | 67.8° N | 75.3° W | 16 km |
| H | 67.1° N | 73.3° W | 18 km |
| K | 67.3° N | 75.4° W | 12 km |
| L | 67.3° N | 77.6° W | 12 km |
| M | 67.5° N | 81.1° W | 10 km |
| N | 66.6° N | 78.1° W | 14 km |
| P | 65.3° N | 75.2° W | 10 km |
| S | 67.7° N | 64.7° W | 8 km |
| T | 62.5° N | 51.4° W | 6 km |
| W | 63.1° N | 48.9° W | 4 km |
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