| Crater characteristics | |
|---|---|
| Coordinates | 52.9° N, 175.6° E |
| Diameter | 36 km |
| Depth | Unknown |
| Colongitude | 174° at sunrise |
| Eponym | John C. Cooper |
Cooper is a lunar crater that is located in the northern hemisphere on the far side of the Moon. It lies to the east of the large D'Alembert walled plain, and west-southwest of Chappell crater. This crater formation has been heavily worn and eroded by impact erosion, until the crater now forms little more than an irregular depression in the surface. Little remains of the original rim, although its form can still be traced across the surface. Multiple small craters lie across the rim and inner wall, leaving a ring-shaped formation of ridges in the lunar terrain. The interior floor is slightly less rough than the surrounding surface, with a cluster of small craterlets near the northeast inner wall.
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Cooper crater.
| Cooper | Latitude | Longitude | Diameter |
|---|---|---|---|
| G | 52.6° N | 178.5° E | 20 km |
| K | 51.1° N | 178.1° E | 30 km |
References
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- Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
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- McDowell, Jonathan (July 15, 2007). Lunar Nomenclature. Jonathan's Space Report. Retrieved on 2007-10-24.
- Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by The Working Group of Commission 17 of the IAU". Space Science Reviews 12: 136.
- Moore, Patrick (2001). On the Moon. Sterling Publishing Co.. ISBN 0-304-35469-4.
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