RDDM Index

Photo: panorama of Mars by Curiosity. December 2018, the rover is at the top of the Vera Rubin escarpment with the hills at the base of Mount Sharp in sight. Mosaic of 16 photos acquired by the MastCam 100 mm camera, sol 2247.
Fascinated by the processing of images sent by probes exploring the solar system, Thomas Appéré regularly creates mosaics like this one and colorizations of previously unseen images, which he then shares on social networks. Credit: NASA/JPL-Caltech/MSSS/Thomas Appéré.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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General directory of identified places

The International Astronomical Union (IAU) is the international association of professional astronomers responsible for coordinating the work of astronomers around the world. It acts as the internationally recognized authority for the naming (nomenclature) of celestial bodies and their surface characteristics.

The [names in grey and italics] in the tables are dropped or moved, referenced here because they may appear in older documents. Latitudes and longitudes in white are planetocentric. Those in orange use the older planetographic system.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Abalos Colles	Mars	Collis	76.83	288.35	235.83	mc01	Named for classical albedo feature at 72°N, 70°W.
Abalos Mensa	Mars	Mensa	81.17	284.00	129.18	mc01	Classical albedo feature name.
Abalos Scopuli	Mars	Scopulus	80.72	283.44	109.16	mc01	Classical albedo feature name.
Abalos Undae	Mars	Unda	78.52	272.50	442.74	mc01	Classical albedo feature at 72°N, 70°W.
Aban	Mars	Crater	15.91	111.10	4.28	mc14	Town in Russia.
Abus Vallis	Mars	Vallis	-5.49	212.80	60.99	mc16	Classical name for Humber River in England.
Achar	Mars	Crater	45.43	123.16	5.36	mc07	Town in Uruguay.
Acheron Catena	Mars	Catena	37.47	259.20	421.77	mc03	Named for classical albedo feature at 35°N, 140°W.
Acheron Fossae	Mars	Fossa	38.27	224.98	703.11	mc02	From classical albedo feature at 35°N, 140°W.
Acidalia Colles	Mars	Collis	50.34	336.91	356.30	mc04	From classical albedo feature name.
Acidalia Mensa	Mars	Mensa	46.69	334.66	226.86	mc04	From classical albedo feature name.
Acidalia Planitia	Mars	Planitia	49.76	339.26	3505.00	mc04	From classical albedo feature at 44°N, 21°W.
Ada	Mars	Crater	-3.06	356.78	2.09	mc19	Town in Oklahoma, USA.
Adamas Labyrinthus	Mars	Labyrinthus	35.70	105.12	853.00	mc06	Classical albedo feature name; "A River of Diamonds"; today's River Sarbarnarekha in India.
Adams	Mars	Crater	30.91	163.10	90.22	mc07	Walter S.; American astronomer (1876-1956).
Aeolis	Mars	Albedo	-4.94	145.00	0.00	mc23	Floating island where winds were kept in a cave.
Aeolis Chaos	Mars	Chaos	-7.13	150.60	201.00	mc23	Classical albedo feature name.
Aeolis Dorsa	Mars	Dorsum	-5.05	152.63	459.17	mc23	Classical albedo feature name.
Aeolis Mensae	Mars	Mensa	-3.25	140.63	785.09	mc23	Classical albedo feature name.
Aeolis Mons	Mars	Mons	-5.08	137.85	88.99	mc23	Classical albedo feature name. Named Mount Sharp by NASA and renamed "Aeolis Mons" by the UIA in 2012.
Aeolis Palus	Mars	Palus	-4.47	137.42	111.63	mc23	Classical albedo feature name.
Aeolis Planum	Mars	Planum	-1.14	144.76	852.81	mc23	Classical albedo feature name.
Aeolis Serpens	Mars	Serpens	-1.38	149.57	538.55	mc23	Classical albedo feature name.
Aeria	Mars	Albedo	9.88	50.00	0.00	mc13	Greek name for Egypt; "far land of mist".
Aesacus Dorsum	Mars	Dorsum	36.82	153.15	276.69	mc07	From albedo feature at 45°N, 205°W.
Aetheria	Mars	Albedo	39.67	130.00	0.00	mc07	Upper world; land of living.
Aethiopis	Mars	Albedo	9.88	130.00	0.00	mc14	Countries of the Ethiopians on southern edge of the Earth.
Aganippe Fossa	Mars	Fossa	-8.49	234.00	537.16	mc17	Classical albedo feature name.
Agassiz	Mars	Crater	-69.88	271.11	108.77	mc30	Jean L.; American naturalist (1807-1873).
Airy	Mars	Crater	-5.14	0.05	43.05	mc20	George B.; British astronomer (1801-1892).
Airy-0	Mars	Crater	-5.07	0.00	0.79	mc20	Small crater within crater Airy that defines zero degrees longitude on Mars.
Ajon	Mars	Crater	16.49	103.14	8.08	mc14	Town in Russia.
Aki	Mars	Crater	-35.46	299.76	7.87	mc25	Town in Japan.
Aktaj	Mars	Crater	20.41	313.51	5.01	mc10	Town in Russia.
Al-Qahira Vallis	Mars	Vallis	-18.23	162.41	600.00	mc23	Word for 'Mars' in Arabic, Indonesian, Malay.
Alamos	Mars	Crater	23.48	322.88	6.44	mc11	Town in Mexico.
Alba Catena	Mars	Catena	35.04	245.42	144.86	mc03	Classical albedo name.
Alba Fossae	Mars	Fossa	49.39	253.18	2072.02	mc03	Classical albedo name.
Alba Mons	Mars	Mons	41.08	249.29	548.02	mc03	Classical albedo feature name.
Alba Patera	Mars	Patera	39.53	250.82	65.98	mc03	Classical albedo name.
Albany	Mars	Crater	22.96	310.98	2.15	mc10	American colonial town (New York).
Albi	Mars	Crater	-41.47	324.99	9.07	mc26	Town in France.
Albor Fossae	Mars	Fossa	18.09	150.78	155.00	mc15	From albedo feature at 20°N, 205°W.
Albor Tholus	Mars	Tholus	18.87	150.47	158.38	mc15	Classical albedo feature name.
Alexey Tolstoy	Mars	Crater	-47.44	125.34	93.04	mc29	Aleksey; Soviet writer (1882-1945).
Alga	Mars	Crater	-24.34	333.32	18.72	mc19	Town in Kazakhstan.
Alitus	Mars	Crater	-34.91	321.86	50.00	mc26	(Alytus), town in Lithuania.
Allegheny Vallis	Mars	Vallis	-9.01	306.10	171.08	mc18	River in Pennsylvania, USA.
Alnif	Mars	Crater	-15.14	328.91	23.99	mc19	Town in Morocco.
Alofi	Mars	Crater	9.84	359.98	43.00	mc11	Town in Niue.
Alpheus Colles	Mars	Collis	-39.38	61.53	633.03	mc28	From albedo feature at 45°S, 292°W.
Amazonis	Mars	Albedo	0.00	220.00	0.00		Land of the Amazons; on the island Hesperia.
Amazonis Mensa	Mars	Mensa	-1.98	213.10	414.04	mc16	Classical albedo feature name.
Amazonis Planitia	Mars	Planitia	25.75	197.09	2809.04	mc08	Classical albedo feature name; home of the Amazons.
Amazonis Sulci	Mars	Sulcus	-2.15	216.29	250.59	mc16	Albedo feature name; home of the Amazons.
Amenthes	Mars	Albedo	4.94	110.00	0.00	mc14	Egyptian name for place where souls of the dead go.
Amenthes Cavi	Mars	Cavus	16.23	114.52	1330.50	mc14	Classical albedo feature name.
Amenthes Fossae	Mars	Fossa	9.07	102.68	850.00	mc14	Classical albedo feature name.
Amenthes Planum	Mars	Planum	3.40	105.92	953.00	mc14	Classical albedo feature name.
Amenthes Rupes	Mars	Rupes	1.51	110.68	335.25	mc14	Classical albedo feature name.
[Amet]	Mars	Crater	23.45	302.60	0.00	mc10	Town in India.
[Ammonii Rupes]	Mars	Rupes	-6.52	175.80	100.00	mc23	Named for albedo feature at 6°S, 183°W.
Amphitrites Patera	Mars	Patera	-58.70	60.87	129.80	mc28	Mare Amphitrites; classical albedo feature name.
Amsterdam	Mars	Crater	23.00	313.00	1.66	mc10	Dutch port.
Andapa	Mars	Crater	-5.33	355.27	11.00	mc19	Town in Madagascar.
Angelica	Mars	Crater	18.65	76.95	3.50	mc13	Town in New York, USA.
Angu	Mars	Crater	20.01	105.64	2.08	mc14	Town in Zaire.
[Angusta Patera]	Mars	Patera	-80.59	280.50	15.40	mc30	Classical albedo name. Name dropped Sept. 2006 because feature was incorrectly named.
Angustus Labyrinthus	Mars	Labyrinthus	-81.62	296.61	67.52	mc30	Classical albedo feature name.
Aniak	Mars	Crater	-31.84	290.44	50.97	mc25	Town in Alaska, USA.
Anio Valles	Mars	Vallis	37.75	55.89	54.00	mc05	Classical river in Italy; modern Aniene and Teverone rivers.
Annapolis	Mars	Crater	23.16	312.27	1.11	mc10	American colonial town (Maryland).
[Anseris Cavus]	Mars	Cavus	-29.71	95.50	35.00	mc22	Named for albedo feature Anseris Fons. Same feature as Peraea Cavus.
Anseris Mons	Mars	Mons	-29.81	86.65	52.51	mc21	From classical albedo feature.
Antoniadi	Mars	Crater	21.38	60.83	400.95	mc13	Eugène Michael; Turkish-born French astronomer (1870-1944).
Aonia Mons	Mars	Mons	-53.33	272.08	27.07	mc25	Classical albedo feature name.
Aonia Planum	Mars	Planum	-57.90	281.33	563.45	mc25	Classical albedo feature name.
Aonia Terra	Mars	Terra	-60.20	262.95	3873.48	mc25	Classical albedo feature name.
Aonia Tholus	Mars	Tholus	-59.04	279.96	53.69	mc25	Classical albedo feature name.
Aonium Sinus	Mars	Albedo	-44.66	255.00	0.00	mc25	Named for Aonides, or Muses.
Apia	Mars	Crater	-37.28	89.02	10.06	mc28	Town in Samoa.
[Apodis Catena]	Mars	Catena	-26.93	103.20	0.00	mc22	Classical albedo name.
Apollinaris Mons	Mars	Mons	-9.17	174.79	275.40	mc23	Classical albedo feature name.
Apollinaris Patera	Mars	Patera	-8.57	174.18	89.60	mc23	Classical albedo feature name.
Apollinaris Sulci	Mars	Sulcus	-11.06	177.47	188.64	mc23	Albedo feature at 5°S, 187°W.
Apollinaris Tholus	Mars	Tholus	-17.64	175.75	32.39	mc23	Albedo feature name.
Apollo Patera	Mars	Patera	17.94	226.45	24.00	mc09	Greek god of light, poetry, music and arts, one of the Olympian gods, son of Zeus.
Apsus Vallis	Mars	Vallis	34.91	134.99	121.56	mc07	Classical river in ancient Macedonia, present-day Greece.
Apt	Mars	Crater	39.88	350.53	9.57	mc04	Town in France.
Arabia	Mars	Albedo	19.78	30.00	0.00	mc12	Country bordering on Aeria (Egypt).
Arabia Terra	Mars	Terra	21.25	5.72	4851.74	mc12	Classical albedo feature name.
Arago	Mars	Crater	10.22	29.93	152.35	mc12	Dominique F.; French astronomer (1786-1853).
Aram Chaos	Mars	Chaos	2.52	337.61	283.81	mc11	Classical albedo feature name.
Aram Dorsum	Mars	Dorsum	7.80	348.76	83.31	mc11	Classical albedo feature name.
Arandas	Mars	Crater	42.41	344.97	24.76	mc04	Town in Mexico.
Arcadia	Mars	Albedo	44.66	260.00	0.00	mc03	Mountainous region in southern Greece.
Arcadia Dorsa	Mars	Dorsum	55.90	222.44	1952.65	mc02	Named for classical albedo feature at 45°N, 120°W.
Arcadia Planitia	Mars	Planitia	49.02	188.15	2245.00	mc02	From classical albedo feature at 45°N, 120°W.
Arda Valles	Mars	Vallis	-20.40	327.69	173.67	mc19	Ancient European river (Bulgaria).
Arena Colles	Mars	Collis	24.63	82.93	580.12	mc13	Classical albedo feature at 13°N, 294°W.

General Index

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