Zeno is a lunar impact crater located near the northwestern limb of the Moon. It was named by the IAU in 1935.[1]
 Oblique Lunar Orbiter 4 image | |
| Coordinates | 45°09′N 72°59′E / 45.15°N 72.98°E |
|---|---|
| Diameter | 66.78 km (41.50 mi) |
| Depth | Unknown |
| Colongitude | 288° at sunrise |
| Eponym | Zeno of Citium |
The rim of Zeno is slightly distorted and has received some erosion due to subsequent impacts. There is a depression in the surface attached to the eastern rim, forming a bulging extension. Small craters lie on the southern rim and across the interior of the northern wall. The crater Zeno B is attached to the exterior of the southwestern rim, and the distorted Zeno A is attached in turn to the western rim of Zeno B.
Zeno lies to the east-southeast of the crater Mercurius. Farther to the east of Zeno, along the limb, is the well-formed crater Boss.
Satellite craters edit
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Zeno.
| Zeno | Latitude | Longitude | Diameter |
|---|---|---|---|
| A | 44.5° N | 70.0° E | 44 km |
| B | 44.0° N | 71.0° E | 37 km |
| D | 45.0° N | 71.2° E | 29 km |
| E | 41.7° N | 70.8° E | 18 km |
| F | 42.4° N | 80.0° E | 17 km |
| G | 43.9° N | 73.1° E | 11 km |
| H | 41.4° N | 74.4° E | 17 km |
| J | 44.2° N | 76.3° E | 13 km |
| K | 42.8° N | 66.6° E | 18 km |
| P | 43.4° N | 66.1° E | 11 km |
| U | 42.5° N | 68.8° E | 16 km |
| V | 43.0° N | 69.3° E | 22 km |
| W | 43.3° N | 67.6° E | 10 km |
| X | 43.6° N | 76.9° E | 17 km |
References edit
- Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
- Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
- Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
- Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1.
- McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 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 (2): 136–186. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID 122125855.
- Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.
- Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
- Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
- Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.
- Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
- Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.