538 Friederike

Friederike (minor planet designation: 538 Friederike) is a minor planet (an asteroid specifically) orbiting in the asteroid belt. It is a member of the Hygiea family of asteroids.

Photometric observations at the Organ Mesa Observatory in New Mexico during 2012 showed a rotation period of 46.728 ± 0.004 hours with a brightness variation of 0.25 ± 0.02 in magnitude.