<P> The Milky Way's satellite galaxies include the following: </P> <Table> <Tr> <Th> Name </Th> <Th> Diameter (kpc) </Th> <Th> Distance (kpc) </Th> <Th> Absolute magnitude </Th> <Th> Type </Th> <Th> Discovered </Th> </Tr> <Tr> <Td> Large Magellanic Cloud </Td> <Td> </Td> <Td> 48.5 </Td> <Td> - 18.1 </Td> <Td> SBm </Td> <Td> prehistoric </Td> </Tr> <Tr> <Td> Sagittarius Dwarf </Td> <Td> 2.6 </Td> <Td> 20 </Td> <Td> - 13.5 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Crater II </Td> <Td> </Td> <Td> 117.5 </Td> <Td> - 8.2 </Td> <Td> dSph </Td> <Td> 2016 </Td> </Tr> <Tr> <Td> Small Magellanic Cloud </Td> <Td> </Td> <Td> 61 </Td> <Td> - 16.8 </Td> <Td> Irr </Td> <Td> prehistoric </Td> </Tr> <Tr> <Td> Canes Venatici I </Td> <Td> </Td> <Td> 220 </Td> <Td> - 8.6 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Canis Major Dwarf </Td> <Td> 1.5 </Td> <Td> 8 </Td> <Td> </Td> <Td> Irr </Td> <Td> 2003 </Td> </Tr> <Tr> <Td> Boötes III </Td> <Td> 1.0 </Td> <Td> 46 </Td> <Td> </Td> <Td> dSph? </Td> <Td> 2009 </Td> </Tr> <Tr> <Td> Sculptor Dwarf </Td> <Td> 0.8 </Td> <Td> 90 </Td> <Td> - 11.1 </Td> <Td> dE3 </Td> <Td> 1937 </Td> </Tr> <Tr> <Td> Draco Dwarf </Td> <Td> 0.7 </Td> <Td> 80 </Td> <Td> - 8.8 </Td> <Td> dE0 </Td> <Td> 1954 </Td> </Tr> <Tr> <Td> Hercules </Td> <Td> 0.7 </Td> <Td> 135 </Td> <Td> - 6.6 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Leo II </Td> <Td> 0.7 </Td> <Td> 210 </Td> <Td> - 9.8 </Td> <Td> dE0 </Td> <Td> 1950 </Td> </Tr> <Tr> <Td> Fornax Dwarf </Td> <Td> 0.6 </Td> <Td> 140 </Td> <Td> - 13.4 </Td> <Td> dE2 </Td> <Td> 1938 </Td> </Tr> <Tr> <Td> Eridanus II </Td> <Td> 0.55 </Td> <Td> 366 </Td> <Td> - 7.1 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Sextans Dwarf Spheroidal </Td> <Td> 0.5 </Td> <Td> 90 </Td> <Td> - 9.3 </Td> <Td> dE3 </Td> <Td> </Td> </Tr> <Tr> <Td> Carina Dwarf Spheroidal </Td> <Td> 0.5 </Td> <Td> 100 </Td> <Td> - 9.1 </Td> <Td> dE3 </Td> <Td> 1977 </Td> </Tr> <Tr> <Td> Leo I </Td> <Td> 0.5 </Td> <Td> 250 </Td> <Td> - 12.0 </Td> <Td> dE3 </Td> <Td> 1950 </Td> </Tr> <Tr> <Td> Ursa Minor Dwarf </Td> <Td> 0.4 </Td> <Td> 60 </Td> <Td> - 8.8 </Td> <Td> dE4 </Td> <Td> 1954 </Td> </Tr> <Tr> <Td> Indus II </Td> <Td> 0.36 </Td> <Td> 214 </Td> <Td> - 4.3 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Leo T </Td> <Td> 0.34 </Td> <Td> 420 </Td> <Td> - 8.0 </Td> <Td> dSph / dIrr </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Aquarius II </Td> <Td> 0.32 </Td> <Td> 108 </Td> <Td> - 4.2 </Td> <Td> dSph </Td> <Td> 2016 </Td> </Tr> <Tr> <Td> Boötes I </Td> <Td> 0.30 </Td> <Td> 60 </Td> <Td> - 6.3 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Canes Venatici II </Td> <Td> 0.30 </Td> <Td> 155 </Td> <Td> - 4.9 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Leo IV </Td> <Td> 0.30 </Td> <Td> 160 </Td> <Td> - 5.8 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Tucana IV </Td> <Td> 0.25 </Td> <Td> 48 </Td> <Td> - 3.5 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Columba I </Td> <Td> 0.21 </Td> <Td> 182 </Td> <Td> - 4.5 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Ursa Major II Dwarf </Td> <Td> 0.20 </Td> <Td> 30 </Td> <Td> </Td> <Td> dG D </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Grus II </Td> <Td> 0.19 </Td> <Td> 53 </Td> <Td> - 3.9 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Cetus III </Td> <Td> 0.18 </Td> <Td> 251 </Td> <Td> - 2.4 </Td> <Td> dSph? </Td> <Td> 2017 </Td> </Tr> <Tr> <Td> Coma Berenices </Td> <Td> 0.14 </Td> <Td> 42 </Td> <Td> - 4.1 </Td> <Td> dSph </Td> <Td> 2006 </Td> </Tr> <Tr> <Td> Hydra II </Td> <Td> 0.14 </Td> <Td> 128 </Td> <Td> - 4.8 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Reticulum III </Td> <Td> 0.13 </Td> <Td> 92 </Td> <Td> - 3.3 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Pisces II </Td> <Td> 0.12 </Td> <Td> 180 </Td> <Td> - 5.0 </Td> <Td> dSph </Td> <Td> </Td> </Tr> <Tr> <Td> Pegasus III </Td> <Td> 0.11 </Td> <Td> 215 </Td> <Td> - 3.4 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Boötes II </Td> <Td> 0.10 </Td> <Td> 42 </Td> <Td> - 2.7 </Td> <Td> dSph </Td> <Td> 2007 </Td> </Tr> <Tr> <Td> Tucana III </Td> <Td> 0.09 </Td> <Td> 25 </Td> <Td> - 2.4 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Virgo </Td> <Td> 0.09 </Td> <Td> 91 </Td> <Td> - 0.3 </Td> <Td> dSph? </Td> <Td> 2016 </Td> </Tr> <Tr> <Td> Horologium II </Td> <Td> 0.09 </Td> <Td> 78 </Td> <Td> - 2.6 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Sagittarius II </Td> <Td> 0.08 </Td> <Td> 67 </Td> <Td> - 5.2 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Leo V </Td> <Td> 0.08 </Td> <Td> 180 </Td> <Td> - 5.2 </Td> <Td> dSph </Td> <Td> 2007 </Td> </Tr> <Tr> <Td> Triangulum II </Td> <Td> 0.07 </Td> <Td> 30 </Td> <Td> - 1.8 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Segue 2 </Td> <Td> 0.07 </Td> <Td> 35 </Td> <Td> - 2.5 </Td> <Td> dSph </Td> <Td> 2007 </Td> </Tr> <Tr> <Td> Segue 1 </Td> <Td> 0.06 </Td> <Td> 23 </Td> <Td> - 1.5 </Td> <Td> dSph </Td> <Td> 2007 </Td> </Tr> <Tr> <Td> Draco II </Td> <Td> 0.04 </Td> <Td> 20 </Td> <Td> - 2.9 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Tucana V </Td> <Td> 0.03 </Td> <Td> 55 </Td> <Td> - 1.6 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Cetus II </Td> <Td> 0.03 </Td> <Td> 30 </Td> <Td> 0.0 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Reticulum II </Td> <Td> - </Td> <Td> 30 </Td> <Td> - 3.6 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Tucana II </Td> <Td> - </Td> <Td> 70 </Td> <Td> - 3.9 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Pisces I </Td> <Td> - </Td> <Td> 80 </Td> <Td> </Td> <Td> dSph? </Td> <Td> 2009 </Td> </Tr> <Tr> <Td> DES </Td> <Td> - </Td> <Td> 82 </Td> <Td> </Td> <Td> GC </Td> <Td> 2016 </Td> </Tr> <Tr> <Td> Eridanus III </Td> <Td> - </Td> <Td> 90 </Td> <Td> - 2.4 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Horologium I </Td> <Td> - </Td> <Td> 100 </Td> <Td> - 3.5 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Kim 2 / Indus I </Td> <Td> - </Td> <Td> 100 </Td> <Td> </Td> <Td> GC </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Phoenix II </Td> <Td> - </Td> <Td> 100 </Td> <Td> - 3.7 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Ursa Major I Dwarf </Td> <Td> - </Td> <Td> 100 </Td> <Td> - 5.5 </Td> <Td> dG D </Td> <Td> 2005 </Td> </Tr> <Tr> <Td> Pictoris </Td> <Td> - </Td> <Td> 115 </Td> <Td> - 3.7 </Td> <Td> dSph? </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Grus I </Td> <Td> - </Td> <Td> 120 </Td> <Td> - 3.4 </Td> <Td> dSph </Td> <Td> 2015 </Td> </Tr> <Tr> <Td> Carina II (dwarf galaxy) </Td> <Td> 0.182 </Td> <Td> 36 </Td> <Td> - 4.5 </Td> <Td> dSph </Td> <Td> 2018 </Td> </Tr> <Tr> <Td> Carina III (dwarf galaxy) </Td> <Td> 0.06 </Td> <Td> 28 </Td> <Td> - 2.4 </Td> <Td> GC? </Td> <Td> 2018 </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Diameter (kpc) </Th> <Th> Distance (kpc) </Th> <Th> Absolute magnitude </Th> <Th> Type </Th> <Th> Discovered </Th> </Tr> <Tr> <Td> Large Magellanic Cloud </Td> <Td> </Td> <Td> 48.5 </Td> <Td> - 18.1 </Td> <Td> SBm </Td> <Td> prehistoric </Td> </Tr>

The large and small magellanic clouds are satellites galaxies of the milky way