View source for 577 Rhea

{{Short description|Main-belt asteroid}}
{{Distinguish|text=[[Saturn]]'s moon [[Rhea (moon)|Rhea]]}}
{{Use dmy dates|date=October 2019}}
{{Infobox planet
| minorplanet= yes
| name= 577 Rhea
| background      = #D6D6D6
| image           = 000577-asteroid shape model (577) Rhea.png
| image_scale      =
| caption         = Modelled shape of ''Rhea'' from its [[lightcurve]]
| mpc_name= (577) Rhea
| pronounced={{IPAc-en|'|r|iː|ə}}<ref>Noah Webster (1884) ''A Practical Dictionary of the English Language''</ref>
| alt_names= 1905 RH
| discoverer= [[M. F. Wolf]]
| discovered= 20 October 1905
| discovery_site= [[Heidelberg]]
| epoch= 31 July 2016 ([[Julian day|JD]] 2457600.5)
| eccentricity= 0.15481
| semimajor= {{Convert|3.1114|AU|Gm|abbr=on}}
| perihelion= {{Convert|2.6297|AU|Gm|abbr=on}}
| aphelion= {{Convert|3.5931|AU|Gm|abbr=on|lk=on}}
| period= 5.49 [[Julian year (astronomy)|yr]] (2004.6 [[Julian year (astronomy)|d]])
| inclination= 5.2964°
| asc_node= 328.579°
| arg_peri= 330.784°
| mean_anomaly= 105.219[[Degree (angle)|°]]
| mean_motion= {{Deg2DMS|0.17959|sup=ms}} / day
| orbit_ref= <ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=577;cad=1 |archive-url=https://web.archive.org/web/20200918015923/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=577;cad=1 |url-status=dead |archive-date=18 September 2020 |title=577 Rhea (1905 RH) |work=[[JPL Small-Body Database]] |publisher=[[NASA]]/[[Jet Propulsion Laboratory]] |access-date=5 May 2016}}</ref>
| observation_arc= 110.32 yr (40296 d)
| uncertainty= 0
| abs_magnitude= 9.4
| rotation= {{Convert|12.249|h|d|abbr=on|lk=on}}
| albedo= {{val|0.1792|0.023}}
| mean_radius= {{val|19.765|1.15}} [[Kilometre|km]]
}}
'''577 Rhea''' is a [[minor planet]] orbiting the [[Sun]]. It is named after [[Rhea (mythology)|Rhea]], one of the [[Titan (mythology)|Titans]] in [[Greek mythology]]. The name may have been inspired by the asteroid's provisional designation ''1905 RH''.
==References==
{{Reflist}}
==External links==
* {{AstDys|577}}
* {{JPL small body}}
{{Minor planets navigator |576 Emanuela |number=577 |578 Happelia}}
{{Small Solar System bodies}}
{{Authority control}}
{{DEFAULTSORT:000577}}
[[Category:Background asteroids]]
[[Category:Discoveries by Max Wolf|Rhea]]
[[Category:Named minor planets|Rhea]]
[[Category:Astronomical objects discovered in 1905|19051020]]
{{beltasteroid-stub}}