Asteroids


Name Year of
discovery
Discoverer Average Distance from Sun Diameter
(km)
(AU) (106 km)
Amphitrite 1854 A. Marth 2.55 382.1 240
Camilla 1868 N. Pogson 3.49 521.8 236
Chiron 1977 C. Kowal 13.72 2051.9 180
Cybele 1861 E. Tempel 3.43 513.0 246
Daphne 1856 H. Goldschmidt 2.77 413.6 182
Davida 1903 R. Dugan 3.18 475.4 336
Doris 1857 H. Goldschmidt 3.11 465.5 226
Egeria 1850 A. de Gasparis 2.58 385.4 114
Elpis 1860 J. Chacornac 2.71 405.9 174
Eros 1898 G. Witt 1.46 218.4 33
Eugenia 1857 H. Goldschmidt 2.72 407.1 114
Eunomia 1851 A. De Gasparis 2.64 395.5 272
Euphrosyne 1854 J. Ferguson 3.16 472.1 248
Europa 1858 H. Goldschmidt 3.10 463.3 312
Freia 1862 H. d'Arrest 3.39 466.6 190
Hebe 1847 K. Hencke 2.43 362.8 192
Hygiea 1849 A. De Gasparis 3.14 470.3 430
Interamnia 1910 V. Cerulli 3.06 458.1 334
Iris 1847 J. Hind 2.39 356.9 204
Juno 1804 K. Harding 2.67 399.4 244
Kalliope 1852 J. Hind 2.91 435.3 188
Lutetia 1852 H. Goldschmidt 2.435 364.3 96
Mathilde 1885 Johann Palisa 2.46 290 61
Pallas 1802 H. Olbers 2.77 414.5 522
Psyche 1852 A. De Gasparis 2.92 437.1 264
Sylvia 1866 N. Pogson 3.49 521.5 272
Toutatis 1989 C. Pollas 2.51 375.8 4.6 x 2.3 x 1.9
Vesta 1807 H. Olbers 2.36 353.4 500

Last modified July 15, 2010 by Randy Russell.

You might also be interested in:

Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Asteroid Lutetia

Lutetia is a medium-sized asteroid. It orbits the Sun in the main asteroid belt between the planets Mars and Jupiter. Its official name is "21 Lutetia" because it was the 21st asteroid discovered. Lutetia...more

NEAR Flyby of Asteroid Mathilde

On June 27, 1997, the NEAR spacecraft passed very close to the asteroid Mathilde. NEAR stands for Near Earth Asteroid Rendevous. Mathilde is a large asteroid. Its diameter was estimated to be 60 km. That...more

Asteroid Toutatis

Toutatis is a very strange asteroid. It has a strange shape, and it spins in a very unusual way. Sometimes Toutatis comes close to Earth. This asteroid is shaped sort of like a potato. Its size is 1.92...more

NEAR to Touchdown on Surface of Asteroid!

The NEAR spacecraft has been in orbit around the asteroid Eros since Valentine's Day of last year. It has met all of its science goals. It has been a huge success! On top of all that, NEAR will attempt...more

Pluto demoted - no longer a Planet!

Pluto has been officially demoted from its status as a planet. The International Astronomical Union (IAU), at a meeting in August 2006, voted on their first "official" definition of a planet....more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA