249 Ilse

Main-belt asteroid

249 Ilse is a Main belt asteroid. It has an unusually slow rotation period, about 3.5 days.

It was discovered by C. H. F. Peters on August 16, 1885, in Clinton, New York and was named after Ilse, a legendary German princess.

Due to the long rotation period, a possible asteroidal satellite of Ilse was proposed by R. P. Binzel in 1987 however no evidence of this has been found.[3]

References

  1. ^ (German Names)
  2. ^ "249 Ilse". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
  3. ^ Johnston, Robert. "Other Reports of Asteroid/TNO Companions (Updated 13 July 2013)". Retrieved 19 November 2013.
  • The Asteroid Orbital Elements Database
  • Minor Planet Discovery Circumstances
  • Asteroid Lightcurve Data File
  • 249 Ilse at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 249 Ilse at the JPL Small-Body Database Edit this at Wikidata
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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  • 248 Lameia
  • 249 Ilse
  • 250 Bettina
Authority control databases Edit this at Wikidata
  • JPL SBDB
  • MPC


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