&sq=Google&lang=en&file=File:Tannerus_crater_4094_h3.jpg) Lunar Orbiter 4 image | |
| Coordinates | 54°36′S 22°00′E / 54.6°S 22.0°E |
|---|---|
| Diameter | 29 km |
| Depth | 1.8 km |
| Colongitude | 339° at sunrise |
| Eponym | Adam Tanner |
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Tannerus is a small lunar impact crater that is located in the rugged southern highlands of the Moon. It lies within a couple of crater diameters of Asclepi to the northeast, and some distance due east of Jacobi.
The rim of this crater is very close to circular, with only a slight inward bulge along the north edge where it is joined to Tannerus P. The edge is sharp and well-defined, although there are tiny impacts along the rim in the west and south. The crater floor is level and free of markings or features of note.