(95) Arethusa

from Wikipedia, the free encyclopedia
Asteroid
(95) Arethusa
Three-dimensional model of (95) Arethusa created on the basis of the light reflection data
Three-dimensional model of (95) Arethusa created on the basis of the light reflection data
Properties of the orbit ( animation )
Orbit type Outer main belt
Major semi-axis 3.066  AU
eccentricity 0.15
Perihelion - aphelion 2.605 AU - 3.527 AU
Inclination of the orbit plane 13 °
Length of the ascending node 243.1 °
Argument of the periapsis 155 °
Time of passage of the perihelion November 11, 2012
Sidereal period 5 a 134 d
Mean orbital velocity 16.9 km / s
Physical Properties
Medium diameter 136 km
Albedo 0.0698
Rotation period 8 h 41 min
Absolute brightness 7.84 likes
Spectral class C.
history
Explorer KTR Luther
Date of discovery November 23, 1867
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(95) Arethusa is an asteroid of the main belt , which on 23 November 1867 by the German astronomer Robert Luther was discovered.

It was named after Arethusa , one of the Hesperides from Greek mythology .

Its dimensions were also examined using star occultations, with values ​​diverging at 147 ± 32 km.

See also

Individual evidence

  1. ^ Discovery Circumstances: Numbered Minor Planets. The international Astronomical Union - Minor Planet Center, accessed July 26, 2020 .
  2. Ďurech, Josef; Kaasalainen, Mikko; Herald, David; Dunham, David; Timerson, Brad; Hanuš, Josef; et al. Combining Asteroid Models derived by lightcurve inversion with asteroid occultation shiluettes , Icarus, 214 (2) S652-670, 2014, arXiv: 1104.4227