Discovered by A. Borrelly Minor planet category Main belt Aphelion 3.0852 AU (461.54 Gm) Inclination 12.16° Discoverer Alphonse Borrelly Asteroid group Asteroid belt | Discovery date 1 December 1875 Observation arc 111.13 yr (40590 d) Discovered 1 December 1875 Orbits Sun Discovery site Marseille Observatory | |
 | ||
Perihelion 2.07801 AU (310.866 Gm) Similar 149 Medusa, 188 Menippe, 167 Urda, 193 Ambrosia, 128 Nemesis | ||
157 Dejanira is a main belt asteroid that was discovered by Alphonse Borrelly on December 1, 1875, and named after the warlike princess Deianira in Greek mythology (Δηιάνειρα in Greek). The Dejanira family of asteroids is named after it.
Photometric observations of this asteroid were made in early 2009 at the Organ Mesa Observatory in Las Cruces, New Mexico. The resulting light curve shows a synodic rotation period of 15.825 ± 0.001 hours.
References
157 Dejanira Wikipedia(Text) CC BY-SA