Alternative names 1904 OK Aphelion 3.6924 AU (552.38 Gm) Orbits Sun Discoverer Paul Götz | Discovery date 18 July 1904 Observation arc 111.70 yr (40800 d) Discovered 18 July 1904 | |
Discovery site Heidelberg-Königstuhl State Observatory Similar 528 Rezia, 540 Rosamunde, 509 Iolanda, 556 Phyllis, 543 Charlotte | ||
538 Friederike is a minor planet orbiting the Sun.
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.
References
538 Friederike Wikipedia(Text) CC BY-SA