&sq=Envato&lang=en&file=File:Encke_crater_4138_h1.jpg) Lunar Orbiter 4 image | |
| Coordinates | 4°36′N 36°36′W / 4.6°N 36.6°W |
|---|---|
| Diameter | 28 km |
| Depth | 0.8 km |
| Colongitude | 37° at sunrise |
| Eponym | Johann F. Encke |
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Encke is a lunar impact crater that is located on the western edge of the Mare Insularum, to the south-southeast of the crater Kepler. The small crater Kunowsky lies to the east-southeast on the mare.
The crater is named after German mathematician and astronomer Johann Franz Encke.[1]
The rim of Encke is low and somewhat polygonal in shape. The tiny craterlet Encke N lies across the western rim. The floor is somewhat uneven, and is covered in ray material from the nearby Kepler. The high albedo of this ejecta makes Encke a bright feature when the Sun is at a high elevation over the lunar surface.
- ^ "Gazetteer of Planetary Nomenclature | Encke". usgs.gov. International Astronomical Union. Retrieved August 29, 2017.