Dellinger (crater)

Dellinger
	LROC image
Coordinates	6°48′S 140°36′E / 6.8°S 140.6°E
Diameter	82.04 km (50.98 mi)
Depth	Unknown
Colongitude	220° at sunrise
Eponym	John H. Dellinger

Dellinger is a degraded lunar impact crater that is located on the Moon's far side.^[2] It is attached to the southern rim of the crater Pannekoek. To the southeast lies the crater Marconi, and to the southwest is Chauvenet.^[3]

The outer rim of this crater is significantly eroded in places, including an outward protrusion along the southern rim and particularly along the northern half.^[4]^: 84 The Dellinger B formation lies across the rims of Dellinger and Pannekoek, creating an open passage between the two. There is a pair of small craters on the northwestern part of the interior floor.^[5]

The crater was named after American physicist John Howard Dellinger (1886–1962).^[6] Its designation was formally adopted by the IAU in 1970.^[1] The crater was known as Crater 293 prior to naming.^[7]

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 Dellinger.^[8]

Dellinger^[4]^: 296	Latitude	Longitude	Diameter
B	5.5° S	141.1° E	53 km
U	6.3° S	136.8° E	16 km

References

1 2 "Dellinger". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
↑ Moore, Patrick (2000). The Data Book of Astronomy. CRC Press. p. 67. ISBN 978-1-4200-3344-1.
↑ Byrne, Charles J. (2008). The Far Side of the Moon. Springer. p. 25, 27–28, 47. ISBN 978-1-4899-8806-5.
1 2 Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
↑ "LAC 84" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-08-07.
↑ Menzel, D. H.; et al. (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.
↑ "Lunar Farside Chart (LFC-1A)" (2nd ed.). Lunar & Planetary Institute. October 1967. Retrieved 2026-05-14.
↑ Grego, P. (2015). "Satellite Crater". In Hargitai, H.; Kereszturi, Á. (eds.). Encyclopedia of Planetary Landforms. New York, NY: Springer. doi:10.1007/978-1-4614-3134-3_328.

Sources

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.
Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

[GPN-1] 1 2 "Dellinger". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

[Moore_2000-2] Moore, Patrick (2000). The Data Book of Astronomy. CRC Press. p. 67. ISBN 978-1-4200-3344-1.

[Byrne_2008-3] Byrne, Charles J. (2008). The Far Side of the Moon. Springer. p. 25, 27–28, 47. ISBN 978-1-4899-8806-5.

[Bussey_Spudis_2004-4] 1 2 Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.

[LAC-84-5] "LAC 84" (PDF). Gazeteer of Planetary Nomenclature. Retrieved 2026-08-07.

[Menzel_et_al_1971-6] Menzel, D. H.; et al. (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.

[LFC-1A-7] "Lunar Farside Chart (LFC-1A)" (2nd ed.). Lunar & Planetary Institute. October 1967. Retrieved 2026-05-14.

[Grego_2015-8] Grego, P. (2015). "Satellite Crater". In Hargitai, H.; Kereszturi, Á. (eds.). Encyclopedia of Planetary Landforms. New York, NY: Springer. doi:10.1007/978-1-4614-3134-3_328.

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