Eros, provisional designation 1898 DQ, is a stony and elongated asteroid of the Amor group and the first discovered and second-largest near-Earth object with a mean-diameter of approximately 16.8 kilometers. Visited by the NEAR Shoemaker space probe in 1998, it became the first asteroid ever studied from orbit.

Mass: 6.687 × 10^15 kg

Radius: 5 mi

Orbital period: 643 days

Gravity: 0.0059 m/s²

Spectral type: S-type asteroid

Did you know: It was first thought that the debris thrown up by the collision filled in the smaller craters.