Triesnecker (crater)

Triesnecker
	Lunar Orbiter 4 image of Triesnecker crater and the Rille system
Coordinates	4°11′N 3°36′E / 4.18°N 3.60°E
Diameter	25 km
Depth	2.74 km (1.70 mi)
Colongitude	356° at sunrise
Formation	Copernican
Eponym	Franz de Paula Triesnecker

Triesnecker is a prominent lunar impact crater that is located in the Sinus Medii, near the central part of the Moon's near side. T. W. Webb noted it is "surrounded by several minute clefts".^[3] This crater has a diameter of 25 km. It is located to the north-northwest of the crater Rhaeticus, and to the east-southeast of the flooded Murchison.

The crater rim of Triesnecker is somewhat distorted from a circular shape, having a notable bulge in the western wall, and lesser rises in the southeastern and northeastern rims. The inner walls are terraced and the interior is somewhat rough, with a central peak at the midpoint. Triesnecker has a ray system that is most prominent when the sun is at a high angle. The rays extend over 300 kilometers.

To the east of this crater is an extensive system of rilles extending over an area 200 kilometers across, running generally north–south. These were likely created by tectonic forces beneath the surface. Beyond, to the northeast, is the Rima Hyginus valley, with the crater Hyginus at the midpoint.

This feature was named after Austrian astronomer Franz de Paula Triesnecker.^[4]

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Triesnecker.

Triesnecker	Latitude	Longitude	Diameter
D	3.5° N	6.0° E	6 km
E	5.6° N	2.5° E	5 km
F	4.1° N	4.8° E	4 km
G	3.7° N	5.2° E	3 km
H	3.3° N	2.8° E	3 km
J	3.3° N	2.5° E	3 km

References

↑ Joshi, Maitri P. (February 2017). "Physical properties of lunar craters". Research in Astronomy and Astrophysics. 17 (3). id. 24. Bibcode:2017RAA....17...24J. doi:10.1088/1674-4527/17/3/24.
↑ Wilhelms, Don E.; McCauley, John F.; Trask, Newell J. (1987). The geologic history of the Moon. USGS Professional Paper 1348. Washington: U.S. Government Printing Office. p. 265. doi:10.3133/pp1348.
↑ Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. pp. 118, 154–159. Reprint: ISBN 978-0-486-20917-3
↑ "Triesnecker (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

Sources

Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
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. Archived from the original on 2012-02-08. 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.
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.

External links

Triesnecker at the Moon Wiki
Rimae Triesnecker at the Moon Wiki
Lunar Orbiter 2 Closeup of Rimae Triesnecker (Lunar and Planetary Institute)

Wood, Chuck (May 26, 2004). "Triesnecker Rilles". Lunar Photo of the Day. - only the rille
Wood, Chuck (July 25, 2004). "Pre-History of the Triesnecker Area". Lunar Photo of the Day. Retrieved August 7, 2017.
Wood, Chuck (September 23, 2004). "Lunar Crater Types". Lunar Photo of the Day. Archived from the original on 2016-03-10. Retrieved 2017-10-06. - one of the craters depicts Triesnecker
Wood, Chuck (February 2, 2006). "100 Minute Drawing". Lunar Photo of the Day. Archived from the original on August 16, 2015. - only the rille
Wood, Chuck (November 3, 2006). "Continuing East". Lunar Photo of the Day. Archived from the original on August 16, 2015. - both the crater and the rille
Wood, Chuck (November 4, 2006). "Digging Below the Surface". Lunar Photo of the Day. Archived from the original on August 16, 2015.
Wood, Chuck (October 19, 2007). "Troughful Magnificence". Lunar Photo of the Day. Archived from the original on April 17, 2015. - both the crater and the rille
Wood, Chuck (May 5, 2009). "Two Views". Lunar Photo of the Day. Retrieved August 7, 2017.

[Joshi_et_al_2017-1] Joshi, Maitri P. (February 2017). "Physical properties of lunar craters". Research in Astronomy and Astrophysics. 17 (3). id. 24. Bibcode:2017RAA....17...24J. doi:10.1088/1674-4527/17/3/24.

[Wilhelms_et_al_1987-2] Wilhelms, Don E.; McCauley, John F.; Trask, Newell J. (1987). The geologic history of the Moon. USGS Professional Paper 1348. Washington: U.S. Government Printing Office. p. 265. doi:10.3133/pp1348.

[Webb_1962-3] Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. pp. 118, 154–159. Reprint: ISBN 978-0-486-20917-3

[4] "Triesnecker (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

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References

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