577 Rhea

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.

577 Rhea
Modelled shape of Rhea from its lightcurve
Discovery
Discovered byM. F. Wolf
Discovery siteHeidelberg
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 arc110.32 yr (40296 d)
Aphelion3.5931 AU (537.52 Gm)
Perihelion2.6297 AU (393.40 Gm)
3.1114 AU (465.46 Gm)
Eccentricity0.15481
5.49 yr (2004.6 d)
105.219°
0° 10m 46.524s / day
Inclination5.2964°
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

    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.


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