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Earth and Space > Asteroid Data

The table below lists several of the most commonly observed asteroids. They are listed in order that they have been discovered.

The term Asteroid is derived from the Greek word for 'star like' and is used to cover a variety of celestial bodies that orbit the Sun.

Asteroids may also be referred to as 'minor planets' or 'planetoids'.

Name Diameter (km) Discovery Orbital period (yrs)
Ceres 933 1801, Piazzi 4.60
Pallas 570 1802, Olbers 4.61
Juno 240 1804, Harding 4.36
Vesta 530 1807, Olbers 3.63
Eugenia 226 1857, Goldschmidt 4.49
Europa 312 1858, Goldschmidt 5.46
Eros 33 1898, Witt 1.76
Icarus 1.4 1949, Baade 1.12
Chiron 180 1977, Kowal 50.7