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m New infobox + general fixes, replaced: <div style="float: right; text-align: center;"> '''632 Pyrrha''' → {{Infobox planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=632 Pyrrha, using AWB (8277)
m +{{Short description|Main-belt asteroid}}
 
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{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=October 2019}}
{{Infobox planet
{{Infobox planet
| discovery=yes
| minorplanet= yes
⚫
| name= 632 Pyrrha
| physical_characteristics = yes
| background = #D6D6D6
| bgcolour=#FFFFC0
| name=632 Pyrrha
| image = 000632-asteroid shape model (632) Pyrrha.png
| image_scale =
| caption = Modelled shape of ''Pyrrha'' from its [[lightcurve]]
⚫
| mpc_name= (632) Pyrrha
| alt_names= 1907 YX
| alt_names= 1907 YX
| pronounced = {{IPAc-en|'|p|ɪr|ə}},<ref>{{OED|Pyrrhic}}</ref>
| discoverer= [[August Kopff]]
| discoverer= [[August Kopff]]
| discovered= April 5, 1907
| discovered= 5 April 1907
| discovery_site= [[Heidelberg]]
| discovery_site= [[Heidelberg]]
| epoch=August 18, 2005 ([[Julian day|JDCT]] 2453600.5)
| epoch= 31 July 2016 ([[Julian day|JD]] 2457600.5)
| eccentricity= 0.194
| eccentricity= 0.18979
| semimajor= 2.661 [[Astronomical unit|AU]]
| semimajor= {{Convert|2.6639|AU|Gm|abbr=on}}
| perihelion= 2.146 [[Astronomical unit|AU]]
| perihelion= {{Convert|2.1583|AU|Gm|abbr=on}}
| aphelion= 3.176 [[Astronomical unit|AU]]
| aphelion= {{Convert|3.1695|AU|Gm|abbr=on|lk=on}}
| period= 4.342 [[Julian year (astronomy)|a]]
| period= 4.35 [[Julian year (astronomy)|yr]] (1588.1 [[Julian year (astronomy)|d]])
| inclination= 2.216°
| inclination= 2.2156°
| asc_node= 356.704°
| asc_node= 356.505°
| arg_peri= 252.771°
| arg_peri= 252.767°
| mean_anomaly= 206.242°
| mean_anomaly= 33.9510[[Degree (angle)|°]]
| mean_motion= {{Deg2DMS|0.22669|sup=ms}} / day
| orbit_ref= <ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=632;cad=1 |title=632 Pyrrha (1907 YX) |work=[[JPL Small-Body Database]] |publisher=[[NASA]]/[[Jet Propulsion Laboratory]] |access-date=5 May 2016}}</ref>
| observation_arc= 109.03 yr (39823 d)
| uncertainty= 0
| abs_magnitude= 11.4
| rotation= {{Convert|4.1167|h|d|abbr=on|lk=on}}
}}
}}


'''632 Pyrrha''' is a [[minor planet]] orbiting the [[Sun]].
'''632 Pyrrha''' is a [[minor planet]] orbiting the [[Sun]].

[[Photometry (astronomy)|Photometric]] observations of the minor planet in 2011 gave a [[rotation period]] of {{Val|4.1167|0.001|u=h}} with an [[amplitude]] of {{Val|0.40|0.04}} in magnitude. This result rules out previous determinations of the period.<ref name=Pilcher2011/>

==References==
{{Reflist|refs=

<ref name=Pilcher2011>{{citation
| title=Rotation Period Determinations for 28 Bellona, 81 Terpsichore, 126 Velleda 150 Nuwa, 161 Athor, 419 Aurelia, and 632 Pyrrha
| last1=Pilcher | first1=Frederick
| journal=The Minor Planet Bulletin
| volume=38 | issue=3 | pages=156–158 | date=July 2011
| bibcode=2011MPBu...38..156P | postscript=. }}</ref>

}} <!-- end of reflist -->


==External links==
==External links==
* {{AstDys|632}}
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* {{JPL small body}}


{{MinorPlanets Navigator|631 Philippina|633 Zelima}}
{{Minor planets navigator |631 Philippina |number=632 |633 Zelima}}
{{Small Solar System bodies}}
{{MinorPlanets_Footer}}
{{Authority control}}


{{DEFAULTSORT:Pyrrha}}
{{DEFAULTSORT:000632}}
[[Category:Main Belt asteroids]]
[[Category:Background asteroids]]
[[Category:Asteroids named from Greek mythology]]
[[Category:Named minor planets|Pyrrha]]
[[Category:Discoveries by August Kopff]]
[[Category:Discoveries by August Kopff|Pyrrha]]
[[Category:Astronomical objects discovered in 1907]]
[[Category:Astronomical objects discovered in 1907|19070405]]




{{beltasteroid-stub}}
{{beltasteroid-stub}}

⚫
[[de:(632) Pyrrha]]
[[el:632 Πύρρα]]
[[es:(632) Pirra]]
[[eo:632 Piro]]
⚫
[[eu:632 Pyrrha]]
[[fa:سیارک ۶۳۲]]
[[fr:(632) Pyrrha]]
[[it:632 Pyrrha]]
[[la:632 Pyrrha]]
[[hu:632 Pyrrha]]
[[ja:ピュラ (小惑星)]]
[[no:632 Pyrrha]]
[[nn:632 Pyrrha]]
[[pl:632 Pyrrha]]
[[pt:632 Pyrrha]]
[[sk:632 Pyrrha]]
[[sr:632 Pyrrha]]
[[tl:632 Pyrrha]]
[[uk:632 Пірра]]
[[vi:632 Pyrrha]]
[[yo:632 Pyrrha]]
[[zh:小行星632]]

Latest revision as of 14:45, 17 August 2024

632 Pyrrha
Modelled shape of Pyrrha from its lightcurve
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date5 April 1907
Designations
(632) Pyrrha
Pronunciation/ˈpɪrə/,[1]
1907 YX
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc109.03 yr (39823 d)
Aphelion3.1695 AU (474.15 Gm)
Perihelion2.1583 AU (322.88 Gm)
2.6639 AU (398.51 Gm)
Eccentricity0.18979
4.35 yr (1588.1 d)
33.9510°
0° 13m 36.084s / day
Inclination2.2156°
356.505°
252.767°
Physical characteristics
4.1167 h (0.17153 d)
11.4

632 Pyrrha is a minor planet orbiting the Sun.

Photometric observations of the minor planet in 2011 gave a rotation period of 4.1167±0.001 h with an amplitude of 0.40±0.04 in magnitude. This result rules out previous determinations of the period.[3]

References

[edit]
  1. ^ "Pyrrhic". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  2. ^ "632 Pyrrha (1907 YX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  3. ^ Pilcher, Frederick (July 2011), "Rotation Period Determinations for 28 Bellona, 81 Terpsichore, 126 Velleda 150 Nuwa, 161 Athor, 419 Aurelia, and 632 Pyrrha", The Minor Planet Bulletin, 38 (3): 156–158, Bibcode:2011MPBu...38..156P.
[edit]


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