157 Dejanira

Main-belt asteroid

157 Dejanira is a main belt asteroid that was discovered by Alphonse Borrelly on 1 December 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.[5]

References

  1. ^ "Discovery Circumstances: Numbered Minor Planets". The International Astronomical Union Minor Planet Center. Retrieved 17 March 2021.
  2. ^ Benjamin Smith (1903) The Century Dictionary and Cyclopedia
  3. ^ Yeomans, Donald K., "157 Dejanira", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, archived from the original on 3 August 2020, retrieved 12 May 2016.
  4. ^ "The Asteroid Orbital Elements Database". astorb. Lowell Observatory.
  5. ^ Pilcher, Frederick (July 2009), "Rotation Period Determinations for 120 Lachesis, 131 Vala 157 Dejanira, and 271 Penthesilea", The Minor Planet Bulletin, vol. 36, no. 3, pp. 100–102, Bibcode:2009MPBu...36..100P.
  • Lightcurve plot of 157 Dejanira, Palmer Divide Observatory, B. D. Warner (2005)
  • Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
  • Dictionary of Minor Planet Names, Google books
  • Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
  • Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
  • 157 Dejanira at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 157 Dejanira at the JPL Small-Body Database Edit this at Wikidata
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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  • 158 Koronis
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