Comet Shoemaker-Levy 9 was discovered by Eugene and Carolyn Shoemaker and David Levy in 1993. Shortly after its discovery it was determined to be in a highly elliptical path near Jupiter and on a collision course....
asteroids
On the first day of January 1801, Giuseppe Piazzi discovered an object which he first thought was a new comet. But after its orbit was better determined it was clear that it was not a comet but more like a small planet. Piazzi named it Ceres, after the Sicilian goddess of grain....
951 Gaspra
951 Gaspra orbits the Sun near the inner edge of the main asteroid belt between Mars and Jupiter....
433 Eros
433 Eros is an S-type asteroid orbiting the Sun mostly between the orbits of Earth and Mars....
253 Mathilde
253 Mathilde is a main belt asteroid with a relatively small perihelion...
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