68 Leto

68 Leto is a large main-belt asteroid. It was discovered by Robert Luther on April 29, 1861, in Düsseldorf, Germany. It is named after Leto, a Titan goddess in Greek mythology, the mother of Apollo and Artemis by Zeus.

Leto is classified as an S-type asteroid, indicating a stony composition with silicates of iron and magnesium. Observations suggest it has a relatively high albedo (reflectivity), typical for S-type asteroids.

Estimates of Leto's diameter range from about 120 to 140 kilometers. Its rotation period is approximately 14.8 hours. Lightcurve analysis indicates that Leto's shape is somewhat irregular, deviating from a perfect sphere.

Leto is a member of the Leto family, a collisional asteroid family in the main belt. These asteroids are believed to have originated from the breakup of a larger parent body. While Leto is the largest member of this family, its status as the actual parent body is debated, with some research suggesting other objects may have played a more significant role.