Talaan ng mga Buwan sa Sistemang Pang-araw

Ito ang kumpletong tala ng mga buwan sa Sistemang Pang-araw.

Mga Buwan ng Earth Satellites ng MarsSatellites ng Jupiter Satellites ng Saturn Satellites ng Uranus Satellites ng NeptuneSatellites ng Pluto Satellites ng HaumeaSatellite of Eris

 Image Numeral Pangalan Mean radius (km) Semi-major axis (km) Sidereal period (d) (r = retrograde) Natuklasan Nagtuklas Mensahe Ref(s) Planet 50px|center — Moon  1737.10  384,399  27.321582   — Synchronous rotation    Earth 50px|center I Phobos  11.1 ± 0.15  9,380  0.319  1877 (18 August) Hall   , and references therein., and references therein.  Mars 50px|center II Deimos  6.2 ± 0.18  23,460  1.262  1877 (12 August) Hall     Mars 50px|center  I  Io  1818.1 ± 0.1  421,800  1.769  1610  Galileo  Main group moon (Galilean)    Jupiter 50px|center  II  Europa  1560.7 ± 0.7  671,100  3.551  1610  Galileo  Main group moon (Galilean)    Jupiter 50px|center  III  Ganymede  2634.1 ± 0.3  1,070,400  7.155  1610  Galileo  Main group moon (Galilean)    Jupiter 50px|center  IV  Callisto  2408.4 ± 0.3  1,882,700  16.69  1610  Galileo  Main group moon (Galilean)    Jupiter 50px|center V Amalthea  83.45 ± 2.4  181,400  0.498  1892  Barnard  Inner moon (Amalthea)    Jupiter 50px|center  VI  Himalia  85  11,461,000  250.56  1904  Perrine  Prograde irregular (Himalia)    Jupiter 50px|center  VII  Elara  43  11,741,000  259.64  1905  Perrine  Prograde irregular (Himalia)    Jupiter  VIII  Pasiphaë  30  23,624,000  743.63 (r)  1908  Melotte  Retrograde irregular (Pasiphae)    Jupiter  IX  Sinope  19  23,939,000  758.90 (r)  1914  Nicholson  Retrograde irregular (Pasiphae)    Jupiter  X  Lysithea  18  11,717,000  259.20  1938  Nicholson  Prograde irregular (Himalia)    Jupiter  XI  Carme  23  23,404,000  734.17 (r)  1938  Nicholson  Retrograde irregular (Carme)    Jupiter  XII  Ananke  14  21,276,000  629.77 (r)  1951  Nicholson  Retrograde irregular (Ananke)    Jupiter  XIII  Leda  10  11,165,000  240.92  1974  Kowal  Prograde irregular (Himalia)    Jupiter 50px|center  XIV  Thebe  49.3 ± 2.0  221,900  0.675  1980  Synnott (Voyager 1)  Inner moon (Amalthea)    Jupiter 50px|center  XV  Adrastea  8.2 ± 2.0  129,000  0.298  1979  Jewitt, Danielson (Voyager 1)  Inner moon (Amalthea)    Jupiter 50px|center  XVI  Metis  21.5 ± 2.0  128,000  0.295  1979  Synnott (Voyager 1)  Inner moon (Amalthea)    Jupiter  XVII  Callirrhoe  4.3  24,103,000  758.77 (r)  2000  Scotti, Spahr, McMillan, Larsen, Montani, Gleason, Gehrels  Retrograde irregular (Pasiphae)    Jupiter  XVIII  Themisto  4.0  7,284,000  130.02  1975/2000  Kowal and Roemer (original); Sheppard, Jewitt, Fernández, Magnier (rediscovery)  Prograde irregular    Jupiter  XIX  Megaclite  2.7  23,493,000  752.86 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Pasiphae)    Jupiter  XX  Taygete  2.5  23,280,000  732.41 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Carme)    Jupiter  XXI  Chaldene  1.9  23,100,000  723.72 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Carme)    Jupiter  XXII  Harpalyke  2.2  20,858,000  623.32 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Ananke)    Jupiter  XXIII  Kalyke  2.6  23,483,000  742.06 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Carme)    Jupiter  XXIV  Iocaste  2.6  21,060,000  631.60 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Ananke)    Jupiter  XXV  Erinome  1.6  23,196,000  728.46 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Carme)    Jupiter  XXVI  Isonoe  1.9  23,155,000  726.23 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Carme)    Jupiter  XXVII  Praxidike  3.4  20,908,000  625.39 (r)  2001  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Retrograde irregular (Ananke)    Jupiter  XXVIII  Autonoe  2.0  24,046,000  760.95 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Pasiphae)    Jupiter  XXIX  Thyone  2.0  20,939,000  627.21 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Ananke)    Jupiter  XXX  Hermippe  2.0  21,131,000  633.9 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Ananke?)    Jupiter  XXXI  Aitne  1.5  23,229,000  730.18 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Carme)    Jupiter  XXXII  Eurydome  1.5  22,865,000  717.33 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Pasiphae?)    Jupiter  XXXIII  Euanthe  1.5  20,797,000  620.49 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Ananke)    Jupiter  XXXIV  Euporie  1.0  19,304,000  550.74 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Ananke)    Jupiter  XXXV  Orthosie  1.0  20,720,000  622.56 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Ananke)    Jupiter  XXXVI  Sponde  1.0  23,487,000  748.34 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Pasiphae)    Jupiter  XXXVII  Kale  1.0  23,217,000  729.47 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Carme)    Jupiter  XXXVIII  Pasithee  1.0  23,004,000  719.44 (r)  2002  Sheppard, Jewitt, Kleyna  Retrograde irregular (Carme)    Jupiter  XXXIX  Hegemone  1.5  23,577,000  739.88 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Pasiphae)    Jupiter  XL  Mneme  1.0  21,035,000  620.04 (r)  2003  Gladman, Allen  Retrograde irregular (Ananke)    Jupiter  XLI  Aoede  2.0  23,980,000  761.50 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Pasiphae)    Jupiter  XLII  Thelxinoe  1.0  21,164,000  628.09 (r)  2003  Sheppard, Jewitt, Kleyna, Gladman, Kavelaars, Petit, Allen  Retrograde irregular (Ananke)    Jupiter  XLIII Arche  1.5  23,355,000  731.95 (r)  2002  Sheppard, Meech, Hsieh, Tholen, Tonry  Retrograde irregular (Carme)    Jupiter  XLIV  Kallichore  1.0  23,288,000  728.73 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Carme?)    Jupiter  XLV  Helike  2.0  21,069,000  626.32 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Ananke)    Jupiter  XLVI  Carpo  1.5  17,058,000  456.30  2003  Sheppard, Gladman, Kavelaars, Petit, Allen, Jewitt, Kleyna  Prograde irregular    Jupiter  XLVII  Eukelade  2.0  23,328,000  730.47 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Carme)    Jupiter  XLVIII  Cyllene  1.0  23,809,000  752 (r)  2003  Sheppard, Jewitt, Kleyna  Retrograde irregular (Pasiphae)    Jupiter  XLIX  Kore  1.0  24,543,000  779.17 (r)  2003  Sheppard, Jewitt, Kleyna  Retrograde irregular (Pasiphae)    Jupiter  L  Herse  1.0  22,983,000  714.51 (r)  2003  Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen  Retrograde irregular (Carme)    Jupiter — S/2000 J 11  2.0  12,555,000  287  2000  Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans  Prograde irregular    Jupiter — S/2003 J 2  1.0  28,455,000  981.55 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular    Jupiter — S/2003 J 3  1.0  20,224,000  583.88 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Ananke)    Jupiter — S/2003 J 4  1.0  23,933,000  755.26 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Pasiphae)    Jupiter — S/2003 J 5  2.0  23,498,000  738.74 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández, Hsieh  Retrograde irregular (Carme)    Jupiter — S/2003 J 9  0.5  23,388,000  733.30 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Carme)    Jupiter — S/2003 J 10  1.0  23,044,000  716.25 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Pasiphae?)    Jupiter — S/2003 J 12  0.5  17,833,000  489.72 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Ananke)    Jupiter — S/2003 J 15  1.0  22,630,000  689.77 (r)  2003  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Ananke?)    Jupiter — S/2003 J 16  1.0  20,956,000  616.33 (r)  2003  Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen  Retrograde irregular (Ananke)    Jupiter — S/2003 J 18  1.0  20,426,000  596.58 (r)  2003  Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen  Retrograde irregular (Ananke)    Jupiter — S/2003 J 19  1.0  23,535,000  740.43 (r)  2003  Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen  Retrograde irregular (Carme)    Jupiter — S/2003 J 23  1.0  23,566,000  732.45 (r)  2004  Sheppard, Jewitt, Kleyna, Fernández  Retrograde irregular (Pasiphae)    Jupiter 50px|center  I  Mimas  198.8 ± 1.5  185,540  0.942  1789  Herschel  Main group moon    Saturn 50px|center  II  Enceladus  252.3 ± 0.6  238,040  1.370  1789  Herschel  Main group moon    Saturn 50px|center  III  Tethys  536.3 ± 1.5  294,670  1.888  1684  Cassini  Main group moon    Saturn 50px|center  IV  Dione  562.5 ± 1.5  377,420  2.737  1684  Cassini  Main group moon    Saturn 50px|center  V  Rhea  764.5 ± 2.0  527,070  4.518  1672  Cassini  Main group moon    Saturn 55px|center  VI  Titan  2575.5 ± 2.0  1,221,870  15.95  1655  Huygens  Main group moon    Saturn 50px|center  VII  Hyperion  133.0 ± 8.0  1,500,880  21.28  1848  W.Bond, G. Bond, and Lassell  Main group moon    Saturn   VIII  Iapetus  734.5 ± 4.0  3,560,840  79.33  1671  Cassini  Main group moon    Saturn 50px|center  IX  Phoebe  106.6 ± 1.1  12,947,780  550.31 (r)  1899  Pickering  Retrograde irregular (Norse)    Saturn 50px|center  X  Janus  90.4 ± 3.0  151,460  0.695  1966  Dollfus; Voyager 1  Inner moon (co-orbital)    Saturn 50px  XI  Epimetheus  58.3 ± 3.1  151,410  0.694  1980  Walker; Voyager 1  Inner moon (co-orbital)    Saturn 50px|center  XII  Helene  16 ± 4  377,420  2.737  1980  Laques, Lecacheux  Main group trojan    Saturn 50px|center  XIII  Telesto  12 ± 3  294,710  1.888  1980  Smith, Reitsema, Larson, Fountain (Voyager 1)  Main group trojan    Saturn 50px|center  XIV  Calypso  9.5 ± 1.5  294,710  1.888  1980  Pascu, Seidelmann, Baum, Currie  Main group trojan    Saturn 50px|center  XV  Atlas  15.3 ± 1.2  137,670  0.602  1980  Terrile (Voyager 1)  Inner moon (shepherd)    Saturn 50px|center  XVI  Prometheus  46.8 ± 5.6  139,380  0.613  1980  Collins (Voyager 1)  Inner moon (shepherd)    Saturn 50px|center  XVII  Pandora  40.6 ± 4.5  141,720  0.629  1980  Collins (Voyager 1)  Inner moon (shepherd)    Saturn 50px|center  XVIII  Pan  12.8  133,580  0.575  1990  Showalter (Voyager 2)  Inner moon (shepherd)    Saturn  XIX  Ymir  9  23,040,000  1,315.14 (r)  2000  Gladman  Retrograde irregular (Norse)    Saturn  XX  Paaliaq  11  15,200,000  686.95  2000  Gladman  Prograde irregular (Inuit)    Saturn  XXI  Tarvos  7.5  17,983,000  926.23  2000  Gladman, Kavelaars  Prograde irregular (Gallic)    Saturn  XXII  Ijiraq  6  11,124,000  451.42  2000  Gladman, Kavelaars  Prograde irregular (Inuit)    Saturn  XXIII  Suttungr  3.5  19,459,000  1,016.67 (r)  2000  Gladman, Kavelaars  Retrograde irregular (Norse)    Saturn  XXIV  Kiviuq  8  11,110,000  449.22  2000  Gladman  Prograde irregular (Inuit)    Saturn  XXV  Mundilfari  3.5  18,628,000  952.77 (r)  2000  Gladman, Kavelaars  Retrograde irregular (Norse)    Saturn  XXVI  Albiorix  16  16,182,000  783.45  2000  Holman, Spahr  Prograde irregular (Gallic)    Saturn  XXVII  Skathi  4  15,540,000  728.20 (r)  2000  Gladman, Kavelaars  Retrograde irregular (Norse)    Saturn  XXVIII  Erriapus  5  17,343,000  871.19  2000  Gladman, Kavelaars  Prograde irregular (Gallic)    Saturn  XXIX  Siarnaq  20  17,531,000  895.53  2000  Gladman, Kavelaars  Prograde irregular (Inuit)    Saturn  XXX  Thrymr  3.5  20,314,000  1,094.11 (r)  2000  Gladman, Kavelaars  Retrograde irregular (Norse)    Saturn  XXXI  Narvi  3.5  19,007,000  1,003.86 (r)  2003  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XXXII  Methone  1.5  194,440  1.010  2004  Porco, Charnoz, Brahic, Dones (Cassini-Huygens) Alcyonid moon    Saturn 50px|center  XXXIII  Pallene  2  212,280  1.154  2004  Gordon, Murray, Beurle, et al. (Cassini-Huygens)  Alcyonid moon    Saturn 50px|center  XXXIV  Polydeuces  1.25  377,200  2.737  2004  Porco et al. (Cassini-Huygens)  Main group trojan    Saturn 50px|center  XXXV  Daphnis  3–4  136,500  0.594  2005  Porco et al. (Cassini-Huygens)  Inner moon (shepherd)    Saturn  XXXVI Aegir   3  20,751,000  1,117.52 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XXXVII Bebhionn   3  17,119,000  834.84  2004  Sheppard, Jewitt, Kleyna, Marsden  Prograde irregular (Gallic)    Saturn  XXXVIII Bergelmir   3  19,336,000  1,005.74 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XXXIX Bestla   3.5  20,192,000  1,088.72 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)   Saturn  XL Farbauti   2.5  20,377,000  1,085.55 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XLI  Fenrir   2  22,454,000  1,260.35 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XLII Fornjot   3  25,146,000  1,494.2 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XLIII Hati   3  19,846,000  1,038.61 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn  XLIV Hyrrokkin  4  18,437,000  931.86 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XLV  Kari  3.5  22,089,000  1,230.97 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XLVI  Loge  3  23,058,000  1,311.36 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XLVII Skoll  3  17,665,000  878.29 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XLVIII  Surtur  3  22,704,000  1,297.36 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  XLIX  Anthe   1  197,700  1.0365  2007  Porco et al. (Cassini-Huygens)  Alcyonid moon    Saturn  L  Jarnsaxa   3  18,811,000  964.74 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  LI  Greip   3  18,206,000  921.19 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn  LII  Tarqeq   3.5  18,009,000  887.48  2007 Sheppard, Jewitt, Kleyna  Prograde irregular (Inuit)    Saturn  LIII  Aegaeon  0.25 167,500  0.808  2008  Cassini Imaging Science Team Cassini-Huygens  G-ring moonlet   Saturn — S/2004 S 7  3  20,999,000  1,140.24 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn — S/2004 S 12  2.5  19,878,000  1,046.19 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn — S/2004 S 13  3  18,404,000  933.48 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn — S/2004 S 17  2  19,447,000  1,014.70 (r)  2004  Sheppard, Jewitt, Kleyna, Marsden  Retrograde irregular (Norse)    Saturn — S/2006 S 1  3  18,790,000  963.37 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn — S/2006 S 3  3  22,096,000  1,227.21 (r)  2006  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn — S/2007 S 2  3  16,725,000  808.08 (r)  2007  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn — S/2007 S 3  3  18,975,000  977.8 (r)  2007  Sheppard, Jewitt, Kleyna  Retrograde irregular (Norse)    Saturn — S/2009 S 1  0.3 117,000  ?  2009  Cassini Imaging Science Team Cassini-Huygens  B-ring   Saturn 50px|center  I  Ariel  578.9 ± 0.6  190,900 2.520  1851  Lassell  Main group moon    Uranus 50px|center  II  Umbriel  584.7 ± 2.8  266,000  4.144  1851  Lassell  Main group moon    Uranus 50px|center  III  Titania  788.9 ± 1.8  436,300  8.706  1787  Herschel  Main group moon    Uranus 50px|center  IV  Oberon  761.4 ± 2.6  583,500  13.46  1787  Herschel  Main group moon    Uranus 50px|center  V  Miranda  235.8 ± 0.7  129,900  1.413  1948  Kuiper  Main group moon    Uranus  VI  Cordelia  20.1 ± 3  49,800  0.335  1986  Terrile (Voyager 2)  Inner moon (shepherd)    Uranus  VII  Ophelia  21.4 ± 4  53,800  0.376  1986  Terrile (Voyager 2)  Inner moon (shepherd)    Uranus  VIII  Bianca  25.7 ± 2  59,200  0.435  1986  Smith (Voyager 2)  Inner moon    Uranus  IX  Cressida  39.8 ± 2  61,800  0.464  1986  Synnott (Voyager 2)  Inner moon    Uranus  X  Desdemona  32.0 ± 4  62,700  0.474  1986  Synnott (Voyager 2)  Inner moon    Uranus  XI  Juliet  46.8 ± 4  64,400  0.493  1986  Synnott (Voyager 2)  Inner moon    Uranus  XII  Portia  67.6 ± 4  66,100  0.513  1986  Synnott (Voyager 2)  Inner moon    Uranus  XIII  Rosalind  36 ± 6  69,900  0.558  1986  Synnott (Voyager 2)  Inner moon    Uranus  XIV  Belinda  40.3 ± 8  75,300  0.624  1986  Synnott (Voyager 2)  Inner moon    Uranus 50px|center  XV  Puck  81 ± 2  86,000  0.762  1985  Synnott (Voyager 2)  Inner moon    Uranus  XVI  Caliban  49  7,231,000 579.73 (r)  1997  Gladman, Nicholson, Burns, Kavelaars  Retrograde irregular    Uranus  XVII  Sycorax  95  12,179,000  1,288.3 (r)  1997  Gladman, Nicholson, Burns, Kavelaars  Retrograde irregular    Uranus  XVIII  Prospero  15  16,256,000  1,978.29 (r)  1999  Gladman, Holman, Kavelaars, Petit, Scholl  Retrograde irregular    Uranus  XIX  Setebos  15  17,418,000  2,225.21 (r)  1999  Gladman, Holman, Kavelaars, Petit, Scholl  Retrograde irregular    Uranus  XX  Stephano  10  8,004,000  677.36 (r)  1999  Gladman, Holman, Kavelaars, Petit, Scholl  Retrograde irregular    Uranus  XXI  Trinculo  5  8,504,000  749.24 (r)  2001  Holman, Kavelaars, Milisavljevic  Retrograde irregular    Uranus  XXII  Francisco   6  4,276,000  266.56 (r)  2001  Holman, Kavelaars, Milisavljevic, Gladman  Retrograde irregular    Uranus  XXIII  Margaret   5.5  14,345,000  1,687.01  2003  Sheppard, Jewitt  Prograde irregular    Uranus  XXIV  Ferdinand   6  20,901,000  2,887.21 (r)  2001  Holman, Kavelaars, Milisavljevic, et al.  Retrograde irregular    Uranus  XXV  Perdita  10  76,417  0.638  1986  Karkoschka (Voyager 2)  Inner moon    Uranus  XXVI  Mab  5  97,736  0.923  2003  Showalter, Lissauer  Inner moon    Uranus  XXVII  Cupid  5  74,392  0.613  2003  Showalter, Lissauer  Inner moon    Uranus 50px|center  I  Triton  1353.4 ± 0.9  354,800  5.877 (r)  1846  Lassell  Main group moon (retrograde)    Neptune 50px|center  II  Nereid  170 ± 25  5,513,400  360.14  1949  Kuiper  Prograde irregular    Neptune  III  Naiad  33 ± 3  48,227  0.294  1989  Terrile (Voyager 2)  Inner moon    Neptune  IV  Thalassa  41 ± 3  50,075  0.311  1989  Terrile (Voyager 2)  Inner moon    Neptune  V  Despina  75 ± 3  52,526  0.335  1989  Synnott (Voyager 2)  Inner moon    Neptune  VI  Galatea  88 ± 4  61,953  0.429  1989  Synnott (Voyager 2)  Inner moon    Neptune 50px|center  VII  Larissa  97 ± 3  73,548  0.555  1989  Reitsema, Hubbard, Lebofsky, Tholen (Voyager 2)  Inner moon    Neptune 50px|center  VIII  Proteus  210 ± 7  117,647  1.122  1989  Synnott (Voyager 2)  Inner moon    Neptune  IX  Halimede   31  15,728,000  1,879.71 (r)  2003  Holman, Kavelaars, Grav, Fraser, Milisavljevic  Retrograde irregular    Neptune  X  Psamathe   20  46,695,000  9,115.91 (r)  2003  Jewitt, Kleyna, Sheppard, Holman, Kavelaars  Retrograde irregular    Neptune  XI  Sao   22  22,422,000  2,914.07  2003  Holman, Kavelaars, Grav, Fraser, Milisavljevic  Prograde irregular    Neptune  XII  Laomedeia   21  23,571,000  3,167.85  2003  Holman, Kavelaars, Grav, Fraser, Milisavljevic  Prograde irregular    Neptune  XIII  Neso   30  48,387,000  9,373.99 (r)  2003  Holman, Kavelaars, Grav, Fraser, Milisavljevic  Retrograde irregular    Neptune   I  Karonte  593. ± 13.  17,536  6.387  1978  Christy     Pluto  II  Nix  23–67.5  48,708  24.86  2005  Weaver, Stern Buie, et al.     Pluto  III  Hydra  30.5–83.5  64,749  38.20  2005  Weaver, Stern Buie, et al.     Pluto  I  Hiiaka  155 49,500 ± 400 49.12 ± 0.03  2005  Brown et al.     Haumea  II  Namaka  85  39,000 (r)  34.7 ± 0.1if e = 0  2005  Brown et al.    Haumea  I  Dysnomia  150maximum  37,370 ± 150  15.774 ± 0.002  2005  Brown, Rabinowitz, Trujillo et al.  SDO moon   (Including supplementary material.)  Eris

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