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| Coordinates | 7°00′N 54°54′W / 7.0°N 54.9°W |
|---|---|
| Diameter | 30 km |
| Depth | 2.6 km |
| Colongitude | 55° at sunrise |
| Eponym | Vincentio Reinieri |
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Reiner is a lunar impact crater on the Oceanus Procellarum, in the western part of the Moon. It has a nearly circular rim, but appears oval in shape due to foreshortening. The rim edge is well-defined and has not been eroded by impacts. In the midpoint of the irregular crater floor is a central peak. Outside the rim is a hummocky rampart that extends out across the mare for about half a crater diameter.
To the west-northwest of the crater on the Oceanus Procellarum is the unusual feature Reiner Gamma, a fish-shaped surface marking of ray-like material with a high albedo.
Reiner is a crater of Eratosthenian age.[1] It is named after the astronomer Vincentio Reinieri, a disciple of Galileo Galilei.
- ^ The geologic history of the Moon. USGS Professional Paper 1348. By Don E. Wilhelms, John F. McCauley, and Newell J. Trask. U.S. Government Printing Office, Washington: 1987. Table 12.2.