1685 Toro is an Apollo asteroid that orbits the Sun in an 5:8 resonance with Earth and a near 5:13 resonance with Venus. Because of this unusual orbit it is sometimes referenced as Earth’s second satellite.Toro was discovered by Carl A. Wirtanen at the Lick Observatory in 1948. It was the third Apollo asteroid to be discovered. The name honours Betulia Toro wife of the astronomer Samuel Herrick.
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