299 Thora

Main-belt asteroid

299 Thora is a 17 km Main belt asteroid with a potentially long 274-hour rotation period.[1] It was discovered by Johann Palisa on 6 October 1890 in Vienna.

This object has a very low rate of spin, requiring 11.37 ± 0.04 days (272.9 ± 0.9 h) to complete a full rotation.[2]

References

  1. ^ a b c d e f "JPL Small-Body Database Browser". JPL. Retrieved 11 May 2016.
  2. ^ Pilcher, Frederick; et al. (July 2017). "299 Thora and 496 Gryphia: Two More Very Slowly Rotating Asteroids". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 44 (3): 270–274. Bibcode:2017MPBu...44..270P.
  • 299 Thora at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 299 Thora at the JPL Small-Body Database Edit this at Wikidata
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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  • 298 Baptistina
  • 299 Thora
  • 300 Geraldina
Authority control databases Edit this at Wikidata
  • JPL SBDB
  • MPC


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