Moons of Saturn
Confirmed moons
The Saturnian moons are listed here by orbital period (or semi-major axis), from shortest to longest. Moons massive enough for their surfaces to have collapsed into a spheroid are highlighted in bold, while the irregular moons are listed in red, orange and gray background.

Moons of Saturn

Section Title: Confirmed moons
Table Section Text: The Saturnian moons are listed here by orbital period (or semi-major axis), from shortest to longest. Moons massive enough for their surfaces to have collapsed into a spheroid are highlighted in bold, while the irregular moons are listed in red, orange and gray background.

Order	Label	Name	Pronunciation	Image	Diameter (km)	Mass (×1015 kg)	Semi-major axis (km)	Orbital period (d)	Inclination	Eccentricity	Position	Discovery year	Discoverer

1	S/2009 S 1	—	-	≈ 0.3	< 0.0001	≈ 117000	≈ 0.47	≈ 0°	≈ 0	outer B Ring	2009	Cassini

(moonlets)	—	A noisy image showing a few bright dots marked by circles	0.04 to 0.4 (Earhart)	< 0.0001	≈ 130000	≈ 0.55	≈ 0°	≈ 0	Three 1000 km bands within A Ring	2006	Cassini

2	XVIII	Pan	/ˈpæn/	A bright fuzzy band (rings of Saturn) is running from the left to right. In the center a bright irregularity shaped body is superimposed on its upper edge.	28.2±2.6 (34 × 31 × 20)	4.95±0.75	133584	+0.57505	0.001°	0.000035	in Encke Division	1990	M. Showalter

3	XXXV	Daphnis	/ˈdæfnɪs/	Two bright bands run from the left to right. In the narrow gap between them (Keeler gap), which has wavy edges, a small oblong object can be seen.	7.6±1.6 (9 × 8 × 6)	0.084±0.012	136505	+0.59408	≈ 0°	≈ 0	in Keeler Gap	2005	Cassini

4	XV	Atlas	/ˈætləs/	An irregularly shaped body is fully illuminated. The body, which looks like a cone viewed from the south pole, is elongated downward.	30.2±1.8 (41 × 35 × 19)	6.6±0.045	137670	+0.60169	0.003°	0.0012	outer A Ring shepherd	1980	Voyager 1

5	XVI	Prometheus	/proʊˈmiːθiəs/	An irregularly shaped oblong body is fully illuminated. It is elongated in the direction from the right to left.	86.2±5.4 (136 × 79 × 59)	159.5±1.5	139380	+0.61299	0.008°	0.0022	inner F Ring shepherd	1980	Voyager 1

6	XVII	Pandora	/pænˈdɔːrə/	An irregularly shaped body is half illuminated from the bottom. The terminator runs from the left to right.	81.4±3.0 (104 × 81 × 64)	137.1±1.9	141720	+0.62850	0.050°	0.0042	outer F Ring Shepherd	1980	Voyager 1

7a	XI	Epimetheus	/ɛpɪˈmiːθiəs/	A partially-illuminated irregular body, which has a shape remotely resembling a cube. The body's surface consists of ridges and valleys and is covered by craters.	116.2±3.6 (130 × 114 × 106)	526.6±0.6	151422	+0.69433	0.335°	0.0098	co-orbital with Janus	1977	J. Fountain, and S. Larson

7b	X	Janus	/ˈdʒeɪnəs/	An irregular body, whose outline looks like an approximate circle in this image. It is illuminated from the bottom-left.	179.0±2.8 (203 × 185 × 153)	1897.5±0.6	151472	+0.69466	0.165°	0.0068	co-orbital with Epimetheus	1966	A. Dollfus

9	LIII	Aegaeon	/iːˈdʒiːən/	Image of Aegaeon.	≈ 0.5	≈ 0.0001	167500	+0.80812	0.001°	0.0002	G Ring moonlet	2008	Cassini

10	I	†Mimas	/ˈmaɪməs/	A spherical body is half illuminated from the left. The terminator runs from the top to bottom in the vicinity of the right limb.	396.4±0.8 (416 × 393 × 381)	37493±31	185404	+0.942422	1.566°	0.0202	1789	W. Herschel

11	XXXII	Methone	/mɪˈθoʊniː/	From May 2012 flyby	3.2±1.2	≈ 0.02	194440	+1.00957	0.007°	0.0001	Alkyonides	2004	Cassini

12	XLIX	Anthe	/ˈænθiː/	-	1.8	≈ 0.0015	197700	+1.05089	0.1°	0.0011	Alkyonides	2007	Cassini

13	XXXIII	Pallene	/pəˈliːniː/	In the center is Pallene, a moon of Saturn	5.0±1.2 (6 × 6 × 4)	≈ 0.05	212280	+1.15375	0.181°	0.0040	Alkyonides	2004	Cassini

14	II	†Enceladus	/ɛnˈsɛlədəs/	A spherical body is half illuminated from the right. The terminator runs from the top to bottom in the vicinity of the left limb.	504.2±0.4 (513 × 503 × 497)	108022±101	237950	+1.370218	0.010°	0.0047	Generates the E ring	1789	W. Herschel

15	III	†Tethys	/ˈtiːθɪs/	A spherical heavily cratered body is illuminated from the bottom. The terminator runs from the left to right in the vicinity of the top limb.	1062±1.2 (1077 × 1057 × 1053)	617449±132	294619	+1.887802	0.168°	0.0001	1684	G. Cassini

15a	XIII	Telesto	/tɪˈlɛstoʊ/	-	24.8±0.8 (33 × 24 × 20)	≈ 9.41	294619	+1.887802	1.158°	0.000	leading Tethys trojan	1980	B. Smith, H. Reitsema, S. Larson, and J. Fountain

15b	XIV	Calypso	/kəˈlɪpsoʊ/	An oblong reddish body is seen in this low resolution image.	21.4±1.4 (30 × 23 × 14)	≈ 6.3	294619	+1.887802	1.473°	0.000	trailing Tethys trojan	1980	D. Pascu, P. Seidelmann, W. Baum, and D. Currie

18	IV	†Dione	/daɪˈoʊniː/	A spherical body is half illuminated from the right. The terminator is running from the top to bottom slightly to the left off the center.	1122.8±0.8 (1128 × 1123 × 1119)	1095452±168	377396	+2.736915	0.002°	0.0022	1684	G. Cassini

18a	XII	Helene	/ˈhɛlɪniː/	An irregularly shaped body illuminated from the left. Its surface is covered by numerous impact craters.	35.2±0.8 (43 × 38 × 26)	≈ 24.46	377396	+2.736915	0.212°	0.0022	leading Dione trojan	1980	P. Laques and J. Lecacheux

18b	XXXIV	Polydeuces	/pɒliˈdjuːsiːz/	A small oblong body is barely resolved in this image.	2.6±0.8 (3 × 2 × 1)	≈ 0.03	377396	+2.736915	0.177°	0.0192	trailing Dione trojan	2004	Cassini

21	V	†Rhea	/ˈriːə/	A spherical body is almost fully illuminated. The terminator is running near the top edge.	1527.0±1.2 (1530 × 1526 × 1525)	2306518±353	527108	+4.518212	0.327°	0.001258	1672	G. Cassini

22	VI	♠Titan	/ˈtaɪtən/	An orange spherical body is half illuminated from the right. The terminator is running from the top to bottom slightly to the left off the center.	5149.46±0.18 (5149 × 5149 × 5150)	134520000±20000	1221930	+15.94542	0.3485°	0.0288	1655	C. Huygens

23	VII	†Hyperion	/haɪˈpɪəriən/	An irregularly shaped oblong body is illuminated from the left. The terminator is near the right limb.	270±8 (360 × 266 × 205)	5620±50	1481010	+21.27661	0.568°	0.123006	in 4:3 resonance with Titan	1848	W. Bond G. Bond W. Lassell

24	VIII	†Iapetus	/aɪˈæpɪtəs/	A walnut shaped body illuminated from the bottom-left. The terminator runs from the top to right along the top-right limb.	1468.6±5.6 (1491 × 1491 × 1424)	1805635±375	3560820	+79.3215	15.47°	0.028613	1671	G. Cassini

25	XXIV	‡Kiviuq	/ˈkɪviək/	≈ 16	≈ 2.79	11294800	+448.16	49.087°	0.3288	Inuit group	2000	B. Gladman, J. Kavelaars, et al.

26	XXII	‡Ijiraq	/ˈiːɪrɒk/	-	≈ 12	≈ 1.18	11355316	+451.77	50.212°	0.3161	Inuit group	2000	B. Gladman, J. Kavelaars, et al.

27	IX	♣†Phoebe	/ˈfiːbiː/	An approximately spherical heavily cratered body is illuminated from the bottom-right. The terminator runs near the left and top limbs.	213.0±1.4 (219 × 217 × 204)	8292±10	12869700	−545.09	173.047°	0.156242	Norse group	1899	W. Pickering

28	XX	‡Paaliaq	/ˈpɑːliɒk/	-	≈ 22	≈ 7.25	15103400	+692.98	46.151°	0.3631	Inuit group	2000	B. Gladman, J. Kavelaars, et al.

29	XXVII	♣Skathi	/ˈskɒði/	≈ 8	≈ 0.35	15672500	−732.52	149.084°	0.246	Norse (Skathi) Group	2000	B. Gladman, J. Kavelaars, et al.

30	XXVI	♦Albiorix	/ˌælbiˈɒrɪks/	≈ 32	≈ 22.3	16266700	+774.58	38.042°	0.477	Gallic group	2000	M. Holman

31	♣S/2007 S 2	—	≈ 6	≈ 0.15	16560000	−792.96	176.68°	0.2418	Norse group	2007	S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden

32	XXXVII	♦Bebhionn	/bɛˈviːn/	≈ 6	≈ 0.15	17153520	+838.77	40.484°	0.333	Gallic group	2004	S. Sheppard, D. Jewitt, J. Kleyna

33	XXVIII	♦Erriapus	/ɛriˈæpəs/	≈ 10	≈ 0.68	17236900	+844.89	38.109°	0.4724	Gallic group	2000	B. Gladman, J. Kavelaars, et al.

34	XLVII	♣Skoll	/ˈskɒl/	≈ 6	≈ 0.15	17473800	−862.37	155.624°	0.418	Norse (Skathi) group	2006	S. Sheppard, D. Jewitt, J. Kleyna

35	XXIX	‡Siarnaq	/ˈsiːɑːrnək/	≈ 40	≈ 43.5	17776600	+884.88	45.798°	0.24961	Inuit group	2000	B. Gladman, J. Kavelaars, et al.

36	LII	‡Tarqeq	/ˈtɑːrkeɪk/	≈ 7	≈ 0.23	17910600	+894.86	49.904°	0.1081	Inuit group	2007	S. Sheppard, D. Jewitt, J. Kleyna

37	♣S/2004 S 13	—	≈ 6	≈ 0.15	18056300	−905.85	167.379°	0.261	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

38	LI	♣Greip	/ˈɡreɪp/	≈ 6	≈ 0.15	18065700	−906.56	172.666°	0.3735	Norse group	2006	S. Sheppard, D. Jewitt, J. Kleyna

39	XLIV	♣Hyrrokkin	/hɪˈrɒkɪn/	≈ 8	≈ 0.35	18168300	−914.29	153.272°	0.3604	Norse (Skathi) group	2006	S. Sheppard, D. Jewitt, J. Kleyna

40	L	♣Jarnsaxa	/jɑːrnˈsæksə/	≈ 6	≈ 0.15	18556900	−943.78	162.861°	0.1918	Norse group	2006	S. Sheppard, D. Jewitt, J. Kleyna

41	XXI	♦Tarvos	/ˈtɑːrvəs/	≈ 15	≈ 2.3	18562800	+944.23	34.679°	0.5305	Gallic group	2000	B. Gladman, J. Kavelaars, et al.

42	XXV	♣Mundilfari	/mʊndəlˈværi/	≈ 7	≈ 0.23	18725800	−956.70	169.378°	0.198	Norse group	2000	B. Gladman, J. Kavelaars, et al.

43	♣S/2006 S 1	—	≈ 6	≈ 0.15	18930200	−972.41	154.232°	0.1303	Norse (Skathi) group	2006	S. Sheppard, D.C. Jewitt, J. Kleyna

44	♣S/2004 S 17	—	≈ 4	≈ 0.05	19099200	−985.45	166.881°	0.226	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

45	XXXVIII	♣Bergelmir	/bɛərˈjɛlmɪər/	≈ 6	≈ 0.15	19104000	−985.83	157.384°	0.152	Norse (Skathi) group	2004	S. Sheppard, D. Jewitt, J. Kleyna

46	XXXI	♣Narvi	/ˈnɑːrvi/	-	≈ 7	≈ 0.23	19395200	−1008.45	137.292°	0.320	Norse (Narvi) group	2003	S. Sheppard, D. Jewitt, J. Kleyna

47	XXIII	♣Suttungr	/ˈsʊtʊŋɡər/	≈ 7	≈ 0.23	19579000	−1022.82	174.321°	0.131	Norse group	2000	B. Gladman, J. Kavelaars, et al.

48	XLIII	♣Hati	/ˈhɑːti/	≈ 6	≈ 0.15	19709300	−1033.05	163.131°	0.291	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

49	♣S/2004 S 12	—	≈ 5	≈ 0.09	19905900	−1048.54	164.042°	0.396	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

50	XL	♣Farbauti	/fɑːrˈbaʊti/	≈ 5	≈ 0.09	19984800	−1054.78	158.361°	0.209	Norse (Skathi) group	2004	S. Sheppard, D. Jewitt, J. Kleyna

51	XXX	♣Thrymr	/ˈθrɪmər/	≈ 7	≈ 0.23	20278100	−1078.09	174.524°	0.453	Norse group	2000	B. Gladman, J. Kavelaars, et al.

52	XXXVI	♣Aegir	/ˈaɪ.ɪər/	≈ 6	≈ 0.15	20482900	−1094.46	167.425°	0.237	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

53	♣S/2007 S 3	—	≈ 5	≈ 0.09	20518500	≈ −1100	177.22°	0.130	Norse group	2007	S. Sheppard, D. Jewitt, J. Kleyna

54	XXXIX	♣Bestla	/ˈbɛstlə/	≈ 7	≈ 0.23	20570000	−1101.45	147.395°	0.5145	Norse (Narvi) group	2004	S. Sheppard, D. Jewitt, J. Kleyna

55	♣S/2004 S 7	—	≈ 6	≈ 0.15	20576700	−1101.99	165.596°	0.5299	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

56	♣S/2006 S 3	—	≈ 6	≈ 0.15	21076300	−1142.37	150.817°	0.4710	Norse (Skathi) group	2006	S. Sheppard, D. Jewitt, J. Kleyna

57	XLI	♣Fenrir	/ˈfɛnrɪər/	≈ 4	≈ 0.05	21930644	−1212.53	162.832°	0.131	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

58	XLVIII	♣Surtur	/ˈsɜːrtər/	≈ 6	≈ 0.15	22288916	−1242.36	166.918°	0.3680	Norse group	2006	S. Sheppard, D. Jewitt, J. Kleyna

59	XLV	♣Kari	/ˈkɑːri/	≈ 7	≈ 0.23	22321200	−1245.06	148.384°	0.3405	Norse (Skathi) group	2006	S. Sheppard, D. Jewitt, J. Kleyna

60	XIX	♣Ymir	/ˈɪmɪər/	≈ 18	≈ 3.97	22429673	−1254.15	172.143°	0.3349	Norse group	2000	B. Gladman, J. Kavelaars, et al.

61	XLVI	♣Loge	/ˈlɔɪ.eɪ/	≈ 6	≈ 0.15	22984322	−1300.95	166.539°	0.1390	Norse group	2006	S. Sheppard, D. Jewitt, J. Kleyna

62	XLII	♣Fornjot	/ˈfɔːrnjɒt/	≈ 6	≈ 0.15	24504879	−1432.16	167.886°	0.186	Norse group	2004	S. Sheppard, D. Jewitt, J. Kleyna

Sentence(s)

Iapetus is Saturn's moon that has an inclination of 15.47°.

final_sentence: Iapetus is Saturn's moon that has an inclination of 15.47°.