43_Ariadne

43 Ariadne

43 Ariadne

Main-belt asteroid

Ariadne (minor planet designation: 43 Ariadne) is a fairly large and bright main-belt asteroid. It is the second-largest member of the Flora asteroid family. It was discovered by N. R. Pogson on 15 April 1857 and named after the Greek heroine Ariadne.

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Characteristics

Ariadne is very elongate (almost twice as long as its smallest dimension) and probably bi-lobed[4] or at least very angular. It is a retrograde rotator, although its pole points almost parallel to the ecliptic towards ecliptic coordinates (β, λ) = (−15°, 253°) with a 10° uncertainty.[3] This gives an axial tilt of about 105°.

Studies

43 Ariadne was in a study of asteroids using the Hubble FGS. Asteroids studied include (63) Ausonia, (15) Eunomia, (43) Ariadne, (44) Nysa, and (624) Hektor.[9]

Notes

  1. Assuming a diameter of 59 ± 4 km.

References

  1. [1]
    Noah Webster (1884) A Practical Dictionary of the English Language
  2. [2]
    "IRAS Minor Planet Survey (IMPS)". Archived from the original on 11 December 2005. Retrieved 11 December 2005.
  3. [3]
    Kaasalainen, M.; Torppa, J.; Piironen, J. (2002). "Models of Twenty Asteroids from Photometric Data" (PDF). Icarus. 159 (2): 369–395. Bibcode:2002Icar..159..369K. doi:10.1006/icar.2002.6907.
  4. [4]
    Tanga, P.; et al. (2003). "Asteroid observations with the Hubble Space Telescope" (PDF). Astronomy & Astrophysics. 401 (2): 733–741. Bibcode:2003A&A...401..733T. doi:10.1051/0004-6361:20030032.
  5. [5]
    Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides". Monthly Notices of the Royal Astronomical Society. 492 (1). doi:10.1093/mnras/stz3407.
  6. [6]
    PDS lightcurve data Archived 14 June 2006 at archive.today
  7. [7]
    Supplemental IRAS Minor Planet Survey Archived 23 June 2006 at archive.today
  8. [8]
    "AstDys (43) Ariadne Ephemerides". Department of Mathematics, University of Pisa, Italy. Archived from the original on 27 March 2012. Retrieved 26 June 2010.
  9. [9]
    Tanga, P.; Hestroffer, D.; Cellino, A.; Lattanzi, M.; Martino, M. Di; Zappalà, V. (1 April 2003). "Asteroid observations with the Hubble Space Telescope FGS". Astronomy & Astrophysics. 401 (2): 733–741. Bibcode:2003A&A...401..733T. doi:10.1051/0004-6361:20030032. ISSN 0004-6361.
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