System (P)	Satellite (SA)	Name	Latitude	Longitude	Starting Latitude	Ending Latitude	Starting Longitude	Ending Longitude	DIR	Diameter	CT	Continent	ET	Ethnicity	Quad	Map	AS	Approval Status Description	Approval Date (AD)	REF	Reference Text	FT	Feature Type Name	Origin
Mars	Mars	Aesacus Dorsum	37.2	206.9	35.0	39.0	205.3	207.8	west	264.0	EU	Europe	GR	Greek	MC-07	I-2577	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	From albedo feature at 45N, 205W.
Mars	Mars	Arcadia Dorsa	55.0	140.0	40.0	67.0	115.0	158.0	west	1,900.0	EU	Europe	GR	Greek	MC-02	I-2572	5	Adopted by IAU	2003	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Named for classical albedo feature at 45N, 120W.
Mars	Mars	Arena Dorsum	12.8	291.1	9.8	15.8	291.0	292.1	west	360.0	EU	Europe	LA	Latin	MC-13	I-2484	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Atrax Dorsum	38.5	89.1	38.3	38.7	88.9	89.4	west	32.7	EU	Europe	GR	Greek	MTM 40087	I-2194	5	Adopted by IAU	1991	56	Everymans Classical Atlas, by J. Oliver Thomson; J. M. Dent and Sons Ltd., London, 1963.	DO	Dorsum, dorsa	Classical town.
Mars	Mars	Auxo Dorsum	-56.0	41.8	-56.2	-55.5	41.2	42.9	west	70.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Avernus Dorsa	-6.9	189.3	-10.1	-3.7	188.2	190.1	west	383.0	EU	Europe	LA	Latin	MC-23	I-2578	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	From albedo feature at 4S, 190W.
Mars	Mars	Cerberus Dorsa	-13.8	254.6	-17.8	-9.3	251.3	258.6	west	604.0	EU	Europe	GR	Greek	MC-22	I-2532	5	Adopted by IAU	1982	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Charis Dorsum	-56.2	41.6	-56.7	-54.8	38.8	45.0	west	230.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Cleia Dorsum	-55.5	45.7	-56.1	-54.8	45.6	46.5	west	78.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Dorsa Argentea	-77.9	33.2	-79.3	-75.3	22.0	43.0	west	360.0	EU	Europe	LA	Latin	MC-30	I-2571	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Dorsa Brevia	-71.3	297.1	-73.4	-68.2	279.8	310.9	west	670.0	EU	Europe	LA	Latin	MC-30	I-2571	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Eumenides Dorsum	4.5	156.5	-0.1	9.3	155.2	158.0	west	566.0	EU	Europe	GR	Greek	MC-08	I-2180	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Felis Dorsa	-22.1	65.9	-28.1	-15.0	60.9	71.0	west	783.0	EU	Europe	LA	Latin	MC-18	I-2527	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Gordii Dorsum	4.5	144.1	0.6	8.3	142.3	146.0	west	493.5	EU	Europe	GR	Greek	MC-08	I-2180	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Hegemone Dorsum	-55.1	45.2	-56.4	-53.8	44.7	45.7	west	155.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Hesperia Dorsa	-23.4	246.9	-29.6	-17.2	240.9	250.9	west	817.2	EU	Europe	LA	Latin	MC-22	I-2532	5	Adopted by IAU	1991	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Albedo feature name.
Mars	Mars	Hyblaeus Dorsa	11.0	231.0	6.9	20.0	225.0	235.0	west	875.0	EU	Europe	LA	Latin	MC-14	I-2485	5	Adopted by IAU	2003	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Named for albedo feature.
Mars	Mars	Iamuna Dorsa	21.1	50.4	20.7	21.5	50.2	50.5	west	48.9	EU	Europe	LA	Latin	MTM 20052	I-1693	5	Adopted by IAU	1988	71	Mars and its Satellites, A Detailed Commentary on the Nomenclature, 2nd edition, by Jürgen Blunck; Exposition Press, Smithtown, New York, 1982.	DO	Dorsum, dorsa	From classical albedo feature Iamunae Sinus.
Mars	Mars	Isidis Dorsa	12.2	271.8	4.0	21.0	263.0	281.0	west	1,100.0	EU	Europe	GR	Greek	MC-13	I-2484	5	Adopted by IAU	2003	71	Mars and its Satellites, A Detailed Commentary on the Nomenclature, 2nd edition, by Jürgen Blunck; Exposition Press, Smithtown, New York, 1982.	DO	Dorsum, dorsa	Named for classical albedo feature at 25N, 270W.
Mars	Mars	Juventae Dorsa	-0.1	71.4	-4.5	3.4	68.5	74.8	west	519.0	EU	Europe	GR	Greek	MC-18	I-2527	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	From albedo feature at 4S, 63W.
Mars	Mars	Melas Dorsa	-18.5	71.7	-23.3	-13.9	69.9	74.2	west	560.0	EU	Europe	GR	Greek	MC-18	I-2527	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Nilus Dorsa	20.5	79.3	18.5	23.1	78.7	79.7	west	272.0	EU	Europe	GR	Greek	MC-10	I-2465	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Named for albedo feature at 20N, 65W.
Mars	Mars	Pasithea Dorsum	-55.5	41.9	-56.1	-54.6	38.3	45.0	west	250.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Phaenna Dorsum	-54.3	43.1	-55.2	-53.3	41.7	44.7	west	151.0	EU	Europe	GR	Greek	MC-26	I-2365	5	Adopted by IAU	1991	1	Larousse Encyclopedia of Mythology, translated by R. Aldington and D. Ames; Hamlyn Publishing Group Ltd., New York, 1976.	DO	Dorsum, dorsa	One of the Graces.
Mars	Mars	Phlegra Dorsa	23.0	184.0	9.0	52.0	163.0	204.0	west	3,250.0	EU	Europe	GR	Greek	MC-07	I-2577	5	Adopted by IAU	2003	71	Mars and its Satellites, A Detailed Commentary on the Nomenclature, 2nd edition, by Jürgen Blunck; Exposition Press, Smithtown, New York, 1982.	DO	Dorsum, dorsa	Named for classical albedo feature at 35N, 195W.
Mars	Mars	[Pityusa Dorsa]	-64.5	330.5	-68.0	-61.0	326.0	335.0	west	397.0	EU	Europe	GR	Greek	MC-27SW	I-1584	6	Dropped, disallowed	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	From albedo feature; name changed to Pityusa Rupes.
Mars	Mars	Sacra Dorsa	9.9	66.3	-3.8	23.4	58.4	75.8	west	1,630.0	EU	Europe	LA	Latin	MC-10	I-2465	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	From albedo feature at 20N, 67W.
Mars	Mars	Sinai Dorsa	-13.6	79.6	-15.2	-10.3	75.0	83.0	west	473.0	AF	Africa	EG	Egypt	MC-18	I-2527	5	Adopted by IAU	1988	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Solis Dorsa	-23.3	79.8	-29.0	-17.0	73.6	86.7	west	878.0	EU	Europe	LA	Latin	MC-18	I-2527	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Styx Dorsum	31.1	208.2	30.5	31.8	208.0	208.6	west	83.0	EU	Europe	GR	Greek	MTM 30207	I-1779	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Albedo feature name.
Mars	Mars	Tyrrhena Dorsa	-24.0	244.4	-29.7	-19.5	239.8	250.3	west	762.7	EU	Europe	LA	Latin	MC-22	I-2532	5	Adopted by IAU	1991	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Albedo feature name.
Mars	Mars	Uranius Dorsum	24.1	75.0	21.4	28.2	73.1	78.9	west	503.0	EU	Europe	GR	Greek	MC-10	I-2465	5	Adopted by IAU	1985	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Named for albedo feature.
Mars	Mars	Xanthe Dorsa	30.0	35.0	12.0	50.0	10.0	52.0	west	2,700.0	EU	Europe	GR	Greek	MC-11	I-2482	5	Adopted by IAU	1976	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.
Mars	Mars	Zea Dorsa	-48.9	279.5	-50.9	-47.5	275.9	282.6	west	265.0	EU	Europe	LA	Latin	MC-28	I-2366	5	Adopted by IAU	1979	57	Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi; Librairie Scientifique, Hermann et Cie., Paris, 1930.	DO	Dorsum, dorsa	Classical albedo feature name.