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.
![]() Modelled shape of Rhea from its lightcurve | |
Discovery | |
---|---|
Discovered by | M. F. Wolf |
Discovery site | Heidelberg |
Discovery date | 20 October 1905 |
Designations | |
(577) Rhea | |
Pronunciation | /ˈriːə/[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 | |
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- "577 Rhea (1905 RH)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.