577 Rhea

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577 Rhea
000577-asteroid shape model (577) Rhea.png
Modelled shape of Rhea from its lightcurve
Discovery
Discovered by M. F. Wolf
Discovery site Heidelberg
Discovery date20 October 1905
Designations
(577) Rhea
Pronunciation /ˈrə/ [1]
1905 RH
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 110.32 yr (40296 d)
Aphelion 3.5931  AU (537.52  Gm)
Perihelion 2.6297 AU (393.40 Gm)
3.1114 AU (465.46 Gm)
Eccentricity 0.15481
5.49 yr (2004.6 d)
105.219°
0° 10m 46.524s / day
Inclination 5.2964°
328.579°
330.784°
Physical characteristics
Mean radius
19.765±1.15 km
12.249  h (0.5104  d)
0.1792±0.023
9.4

    Rhea (minor planet designation: 577 Rhea) is a minor planet orbiting the Sun. It is named after Rhea, one of the Titans in Greek mythology. The name may have been inspired by the asteroid's provisional designation 1905 RH.

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    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. "577 Rhea (1905 RH)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.