Granby is an impact crater in Östergötland, Sweden, located to the southeast of Vadstena. It is estimated to have formed about 470 million years ago (Middle Ordovician). The crater is 3 kilometres (1.9 mi) in diameter and is not exposed at the surface.[1]
| Granby crater | |
|---|---|
 Approximate extent of Granby crater | |
| Impact crater/structure | |
| Confidence | Confirmed |
| Diameter | 3 km (1.9 mi) |
| Age | ~470 Ma Middle Ordovician |
| Exposed | No |
| Drilled | Yes |
| Bolide type | Ordovician meteor event? |
| Location | |
| Coordinates | 58°25′N 14°56′E / 58.417°N 14.933°E |
| Country | Sweden |
| Province | Östergötland |
| District | Östergötland |
  Location of the crater in Sweden | |