397 Vienna

Main-belt asteroid

397 Vienna is a typical Main belt asteroid. It was discovered by French astronomer Auguste Charlois on 19 December 1894 in Nice. It was most likely named after the city of Vienna, Austria.[3] This object is orbiting the Sun at a distance of 2.64 AU with an orbital eccentricity (ovalness) of 0.246 and a period of 4.28 yr. The orbital plane is inclined at an angle of 12.85° to the ecliptic.[2]

Photometric observations from multiple sites during 2017 were combined to produce an irregular light curve showing a rotation period of 15.461±0.001 h with a luminosity amplitude of 0.16±0.02 in magnitude. This result is consistent with previous measurements.[4] The Tholen spectral type of this object is S and the SMASSII spectral type is K. Although the 'S' class suggests a stony composition, the latter class is consistent with carbonaceous chondrite meteorites.[5] Infrared observations from NEOWISE indicate a diameter of 49 km.[2]

References

  1. ^ "Vienna". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 14 September 2020.
  2. ^ a b c Yeomans, Donald K. (2 May 2007). "397 Vienna (1894 BM)". JPL Small-Body Database Browser. Retrieved 2 May 2007.
  3. ^ Schmadel, Lutz (2003). Dictionary of minor planet names. Vol. 1. Springer. p. 48. ISBN 9783540002383.
  4. ^ Pilcher, Frederick; et al. (October 2017). "Rotation Period Determination for 397 Vienna". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 44 (4): 316. Bibcode:2017MPBu...44..316P.
  5. ^ Clark, Beth Ellen; et al. (July 2009). "Spectroscopy of K-complex asteroids: Parent bodies of carbonaceous meteorites?". Icarus. 202 (1): 119–133. Bibcode:2009Icar..202..119C. doi:10.1016/j.icarus.2009.02.027.
  • 397 Vienna at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 397 Vienna at the JPL Small-Body Database Edit this at Wikidata
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
Authority control databases Edit this at Wikidata
  • JPL SBDB
  • MPC


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