Planets
asteroids
(Contd. from page 5...)No. Name Distance Radius Mass Discoverer Date ---- --------- -------- ------ ------- ---------- ----- 2062 Aten 144514 0.5 ? Helin 1976 3554 Amun 145710 ? ? Shoemaker 1986 1566 Icarus 161269 0.7 ? Baade 1949 433 Eros 172800 33x13x13 ? Witt 1898 1862 Apollo 220061 0.7 ? Reinmuth 1932 2212 Hephaistos 323884 4.4 ? Chernykh 1978 951 Gaspra 330000 8 ? Neujmin 1916 4 Vesta 353400 265 3.0e20 Olbers 1807 3 Juno 399400 123 ? Harding 1804 15 Eunomia 395500 136 8.3e18 De Gasparis 1851 1 Ceres 413900 466 8.7e20 Piazzi 1801 2 Pallas 414500 261 3.18e20 Olbers 1802 243 Ida 428000 35 ? ? 1880 52 Europa 463300 156 ? Goldschmidt 1858 10 Hygiea 470300 215 9.3e19 De Gasparis 1849 511 Davida 475400 168 ? Dugan 1903 911 Agamemnon 778100 88 ? Reinmuth 1919 2060 Chiron 2051900 85 ? Kowal 1977