Astronomy Picture of the Day . Asteroid 253 Mathilde's Large Craters . ... Credit: NEAR Spacecraft Team , JHUAPL , NASA Explanation: You're zipping through the Solar System when you pass ... asteroid 253 Mathilde. ... Mathilde's large craters and irregular shape indicates that it has undergone huge collisions with other large space rocks in the past. Mathilde has more large craters than asteroids 243 Ida and 951 Gaspra , which were photographed by the Galileo spacecraft now orbiting Jupiter . ...