798 Ruth

798 Ruth is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on 21 November 1914. It was named after the biblical character Ruth.

798 Ruth
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg Observatory
Discovery date21 November 1914
Designations
(798) Ruth
Pronunciation/ˈrθ/[1]
1914 VT
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc135.93 yr (49647 d)
Aphelion3.1230 AU (467.19 Gm)
Perihelion2.9062 AU (434.76 Gm)
3.0146 AU (450.98 Gm)
Eccentricity0.035951
5.23 yr (1911.8 d)
327.100°
 11m 17.88s / day
Inclination9.2386°
214.268°
41.817°
Physical characteristics
Mean radius
21.595±1.45 km
8.550 h (0.3563 d)
0.1587±0.024
9.5

    This is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[3]

    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. Yeomans, Donald K., "798 Ruth", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 4 May 2016.
    3. Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry" (PDF), Icarus, 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.


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