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95 Arethusa

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95 Arethusa
Discovery
Discovered byKarl Theodor Robert Luther
Discovery dateNovember 23, 1867
Designations
 
Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion527.303 Gm (3.525 AU)
Perihelion390.547 Gm (2.611 AU)
458.925 Gm (3.068 AU)
Eccentricity0.149
1962.561 d (5.37 a)
16.91 km/s
326.964°
Inclination12.998°
243.148°
155.023°
Physical characteristics
Dimensions136.04 kmJPL
147 ± 32 km[1]
Mass2.6×1018 kg
Mean density
? g/cm³
0.0380 m/s²
0.0719 km/s
? d
Albedo0.070 [2]
Temperature~159 K
Spectral type
C
7.84

95 Arethusa (/[invalid input: 'icon']ˌær[invalid input: 'ɨ']ˈθjuːzə/ ARR-ə-THEW-zə) is a large main-belt asteroid. Its coloring is dark, its composition carbonaceous and primitive. It was discovered by Robert Luther on November 23, 1867, and named after one of the various Arethusas in Greek mythology. Arethusa has been observed occulting a star three times: first on February 2, 1998, and twice in January 2003.

References

  1. ^ Ďurech, Josef (2011). "Combining asteroid models derived by lightcurve inversion with asteroidal occultation silhouettes" (PDF). Icarus. 214 (2): 652–670. arXiv:1104.4227. Bibcode:2011Icar..214..652D. doi:10.1016/j.icarus.2011.03.016. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  2. ^ Asteroid Data Sets

External links


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