Alden (crater)
Alden is a lunar impact crater that lies on the far side of the Moon, between Hilbert to the north-northwest and Milne to the south-southeast. To the south-southwest lies Scaliger.
Alden has a low rim that is overlain in the north and northeast by Alden C and the smaller Alden E. The rim is worn and eroded, especially along the southern wall. The floor is somewhat irregular and pitted. The small crater Alden V lies just inside the north rim, and is attached to Alden C to the east.Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Alden.
| Alden | Latitude | Longitude | Diameter |
| B | 20.5° S | 112.6° E | 17 km |
| C | 22.5° S | 111.4° E | 50 km |
| E | 23.2° S | 112.4° E | 28 km |
| V | 22.5° S | 110.1° E | 19 km |
