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{{Use dmy dates|date=October 2019}}
{{Infobox planet
{{Infobox planet
| minorplanet = yes
| minorplanet = yes
| name = 2131 Mayall
| name = 2131 Mayall
| background = #FFFFC0
| background = #D6D6D6
| discovery_ref =  <ref name="jpldata" />
| discovery_ref = &thinsp;<ref name="jpldata" />
| discovered = 3 September 1975
| discovered = 3 September 1975
| discoverer = [[A. R. Klemola]]
| discoverer = [[Arnold Richard Klemola|A. R. Klemola]]
| discovery_site = [[Lick Observatory]]
| discovery_site = [[Lick Observatory|Lick Obs.]]
| mp_name = 2131 Mayall
| mpc_name = (2131) Mayall
| alt_names = 1975 RA
| alt_names = 1975 RA
| named_after = [[Nicholas U. Mayall|Nicholas Mayall]]<ref name="springer" />
| named_after = [[Nicholas U. Mayall|Nicholas Mayall]]<ref name="springer" />
| mp_category = [[main-belt|main-belt (inner)]]
| mp_category = [[main-belt]]{{·}}([[Kirkwood gap|inner]])
| orbit_ref =  <ref name="jpldata" />
| orbit_ref = &thinsp;<ref name="jpldata" />
| epoch = 13 January 2016 ([[Julian day|JD]] 2457400.5)
| epoch = 4 September 2017 ([[Julian day|JD]] 2458000.5)
| uncertainty = 0
| uncertainty = 0
| observation_arc = 40.44 yr (14769 days)
| observation_arc = 41.05 yr (14,994 days)
| aphelion = {{Convert|2.0968|AU|Gm|abbr=on|lk=on}}
| aphelion = 2.0970 [[Astronomical unit|AU]]
| perihelion = {{Convert|1.6779|AU|Gm|abbr=on}}
| perihelion = 1.6775 AU
| semimajor = {{Convert|1.8873|AU|Gm|abbr=on}}
| semimajor = 1.8873 AU
| eccentricity = 0.11096
| eccentricity = 0.1111
| period = 2.59 [[Julian year (astronomy)|yr]] (947.06 [[Julian year (astronomy)|d]])
| period = 2.59 [[Julian year (astronomy)|yr]] (947 days)
| mean_anomaly = 209.95[[Degree (angle)|°]]
| mean_anomaly = 78.045[[Degree (angle)|°]]
| inclination = 33.989°
| mean_motion = {{Deg2DMS|0.3801|sup=ms}} / day
| asc_node = 306.06°
| inclination = 33.987°
| arg_peri = 38.547°
| asc_node = 306.05°
| moid = {{Convert|0.692756|AU|Gm|abbr=on}}
| arg_peri = 38.552°
| dimensions = 7.8 km
| dimensions = 7.8 km {{small|([[IRAS]]:3)}}<ref name="SIMPS" /><br />{{val|8.252|0.040}}<ref name="Masiero-2014" />
| rotation = {{Convert|2.5678|h|d|abbr=on|lk=on}}
| rotation = 2.5678 [[hour|h]]<ref name="lcdb" />
| albedo = 0.2391 ± 0.031
| albedo = {{val|0.2391|0.031}} {{small|(IRAS:3)}}<ref name="SIMPS" /><br />{{val|0.244|0.019}}<ref name="Masiero-2014" />
| spectral_type = [[S-type asteroid|S]] {{small|([[Tholen classification|Tholen]])}}<ref name="jpldata" /><br />[[S-type asteroid|S]] {{small|([[SMASS classification|SMASS]])}}<ref name="jpldata" /><br />[[S-type asteroid|S]]&thinsp;<ref name="lcdb" /><br />[[Asteroid color indices|B–V]] = 0.871<ref name="jpldata" /><br />[[Asteroid color indices|U–B]] = 0.450<ref name="jpldata" />
| spectral_type = BV = 0.871 mag<br />UB = 0.450 mag<br />tholen = S<br />[[SMASS]]II = S
| abs_magnitude = 12.72
| abs_magnitude = 12.72<ref name="jpldata" />
| mean_motion = {{Deg2DMS|0.38013|sup=ms}} / day
| mean_radius = 3.885 ± 0.25 [[Kilometre|km]]
| jupiter_moid = {{Convert|3.23483|AU|Gm|abbr=on}}
| tisserand = 3.750
}}
}}


'''2131 Mayall''' (1975 RA) is an [[Inner asteroid belt|inner main-belt]] [[asteroid]] discovered on September 3, 1975 by A. R. Klemola at the [[Lick Observatory]] and named in honor of [[Nicholas U. Mayall]] (1906–1993), director of the [[Kitt Peak National Observatory]] during 1960–1971, who also worked at Lick for many years.<ref name="jpldata" /><ref name="springer" />
'''2131 Mayall''' (1975 RA) is an [[Inner asteroid belt|inner main-belt]] [[asteroid]] discovered on September 3, 1975, by [[Arnold Richard Klemola|Arnold Klemola]] at the [[Lick Observatory]] and named in honor of [[Nicholas U. Mayall]] (1906–1993), director of the [[Kitt Peak National Observatory]] during 1960–1971, who also worked at Lick for many years.<ref name="jpldata" /><ref name="springer" /> It is about 8&nbsp;km (~5 miles) in diameter.<ref name=":0" />


[[Photometry (astronomy)|Photometric]] measurements of the asteroid made in 2005 at the [[Palmer Divide]] Observatory showed a [[light curve]] with a period of 2.572 ± 0.002 hours and a brightness variation of 0.08 ± 0.02 in magnitude.<ref name="Warner2005" />
[[Photometry (astronomy)|Photometric]] measurements of the asteroid made in 2005 at the [[Palmer Divide]] Observatory showed a [[light curve]] with a period of 2.572 ± 0.002 hours and a brightness variation of 0.08 ± 0.02 in magnitude.<ref name="Warner2005" />

This led to a follow-up investigation in 2006, when another light curve was recorded.<ref name=":0">{{Cite journal|last=Warner|first=Brian D.|last2=Stephens|first2=Robert D.|last3=Higgins|first3=David|last4=Pravec|first4=Petr|date=March 2007|title=The Lightcurve of 2131 Mayall in 2006|journal=Minor Planet Bulletin|language=en|volume=34|issue=1|pages=23|bibcode=2007MPBu...34...23W|issn=1052-8091}}</ref> These observations did not indicate a binary asteroid type, but did add to the data set available for this asteroid; this asteroid is part of the [[Hungaria group]].<ref name=":0" />

==See also==
*[[Nicholas U. Mayall Telescope]] (telescope named after the same astronomer)


== References ==
== References ==
{{reflist
{{reflist|30em|refs=
|refs=


<ref name="jpldata">{{cite web
<ref name="jpldata">{{cite web
|type=2015-02-14 last obs.
|type = 2016-09-21 last obs.
|title=JPL Small-Body Database Browser: 2131 Mayall (1975 RA)
|title = JPL Small-Body Database Browser: 2131 Mayall (1975 RA)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002131
|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002131
|publisher=Jet Propulsion Laboratory
|publisher = [[Jet Propulsion Laboratory]]
|accessdate=15 April 2016}}</ref>
|accessdate = 19 June 2017}}</ref>


<ref name="springer">{{cite book
<ref name="springer">{{cite book
⚫
|title = Dictionary of Minor Planet Names – (2131) Mayall
|url=http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_2132
⚫
|last = Schmadel | first = Lutz D.
⚫
|title=Dictionary of Minor Planet Names – (2131) Mayall
⚫
|publisher = [[Springer Berlin Heidelberg]]
⚫
|last=Schmadel |first=Lutz D.
⚫
|page = 173
⚫
|publisher=Springer Berlin Heidelberg
|date = 2007
⚫
|page=173
|isbn = 978-3-540-00238-3
|date=2003
|isbn=978-3-540-29925-7
|doi = 10.1007/978-3-540-29925-7_2132 |chapter = (2131) Mayall }}</ref>
⚫
|accessdate=23 August 2016}}</ref>


<ref name="Warner2005">{{Citation
<ref name="Warner2005">{{Citation
Line 65: Line 65:
| first1 = Brian D.
| first1 = Brian D.
| title = Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005
| title = Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005
| work = The Minor Planet Bulletin
| journal = The Minor Planet Bulletin
| volume = 32
| volume = 32
| issue = 3
| issue = 3
| pages = 54–58
| pages = 54–58
| date = 2005
| date = 2005
| url = http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2005MPBu...32...54W&amp;data_type=PDF_HIGH&amp;whole_paper=YES&amp;type=PRINTER&amp;filetype=.pdf
| bibcode = 2005MPBu...32...54W
| bibcode = 2005MPBu...32...54W
⚫
}}</ref>
| accessdate= 2013-02-03

| postscript= .
<ref name="Masiero-2014">{{cite journal
⚫
}}</ref>
|display-authors = 6
|first1 = Joseph R. |last1 = Masiero
|first2 = T. |last2 = Grav
|first3 = A. K. |last3 = Mainzer
|first4 = C. R. |last4 = Nugent
|first5 = J. M. |last5 = Bauer
|first6 = R. |last6 = Stevenson
|first7 = S. |last7 = Sonnett
|date = August 2014
|title = Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos
|journal = The Astrophysical Journal
|volume = 791
|issue = 2
|page = 11
|bibcode = 2014ApJ...791..121M
|doi = 10.1088/0004-637X/791/2/121
|arxiv = 1406.6645
}}</ref>

<ref name="SIMPS">{{cite journal
|first1 = E. F. |last1 = Tedesco
|first2 = P. V. |last2 = Noah
|first3 = M. |last3 = Noah
|first4 = S. D. |last4 = Price
|date = October 2004
|title = IRAS Minor Planet Survey V6.0
|url = https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab
|journal = NASA Planetary Data System
|volume = 12
|pages = IRAS-A-FPA-3-RDR-IMPS-V6.0
|bibcode = 2004PDSS...12.....T
|access-date= 22 October 2019}}</ref>

<ref name="lcdb">{{cite web
|title = LCDB Data for (2131) Mayall
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=2131%7CMayall
⚫
|accessdate = 19 June 2017}}</ref>


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


== External links ==
== External links ==
* [http://www.minorplanetobserver.com/pdolc/A2131_2009.HTM Lightcurve plot of 2131 Mayall], Palmer Divide Observatory, [[Brian D. Warner|B. D. Warner]] (2009)
* {{cite sbdb|title=2131 Mayall (1975 RA)|id=2002131}}
* [http://www.johnstonsarchive.net/astro/asteroidmoons.html Asteroids with Satellites], Robert Johnston, johnstonsarchive.net
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info] {{Webarchive|url=https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html |date=16 December 2017 }})
* [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* {{AstDys|2131}}
* {{JPL small body}}
* {{JPL small body}}


{{Minor planets navigator|2130 Evdokiya|2132 Zhukov}}
{{Minor planets navigator |2130 Evdokiya |number=2131 |2132 Zhukov}}
{{Small Solar System bodies}}
{{Small Solar System bodies}}
{{Authority control}}


{{DEFAULTSORT:002131}}
{{DEFAULTSORT:Mayall}}
[[Category:Main-belt asteroids]]
[[Category:Hungaria asteroids|002131]]
[[Category:Numbered minor planets]]
[[Category:Discoveries by Arnold Klemola]]
[[Category:Minor planets named for people|Mayall]]
[[Category:Named minor planets]]
[[Category:Named minor planets|Mayall]]
[[Category:Binary asteroids|002131]]
⚫
[[Category:S-type asteroids (Tholen)|002131]]
[[Category:S-type asteroids (SMASS)|002131]]
[[Category:Astronomical objects discovered in 1975|19750903]]
[[Category:Astronomical objects discovered in 1975|19750903]]
⚫
[[Category:Binary asteroids]]
[[Category:Discoveries by Arnold Klemola|Mayall]]


{{beltasteroid-stub}}

Latest revision as of 00:29, 12 January 2024

2131 Mayall
Discovery [1]
Discovered byA. R. Klemola
Discovery siteLick Obs.
Discovery date3 September 1975
Designations
(2131) Mayall
Named after
Nicholas Mayall[2]
1975 RA
main-belt · (inner)
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc41.05 yr (14,994 days)
Aphelion2.0970 AU
Perihelion1.6775 AU
1.8873 AU
Eccentricity0.1111
2.59 yr (947 days)
78.045°
0° 22m 48.36s / day
Inclination33.987°
306.05°
38.552°
Physical characteristics
Dimensions7.8 km (IRAS:3)[3]
8.252±0.040[4]
2.5678 h[5]
0.2391±0.031 (IRAS:3)[3]
0.244±0.019[4]
S (Tholen)[1]
S (SMASS)[1]
S [5]
B–V = 0.871[1]
U–B = 0.450[1]
12.72[1]

2131 Mayall (1975 RA) is an inner main-belt asteroid discovered on September 3, 1975, by Arnold Klemola at the Lick Observatory and named in honor of Nicholas U. Mayall (1906–1993), director of the Kitt Peak National Observatory during 1960–1971, who also worked at Lick for many years.[1][2] It is about 8 km (~5 miles) in diameter.[6]

Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 2.572 ± 0.002 hours and a brightness variation of 0.08 ± 0.02 in magnitude.[7]

This led to a follow-up investigation in 2006, when another light curve was recorded.[6] These observations did not indicate a binary asteroid type, but did add to the data set available for this asteroid; this asteroid is part of the Hungaria group.[6]

See also

[edit]

References

[edit]
  1. ^ a b c d e f g h "JPL Small-Body Database Browser: 2131 Mayall (1975 RA)" (2016-09-21 last obs.). Jet Propulsion Laboratory. Retrieved 19 June 2017.
  2. ^ a b Schmadel, Lutz D. (2007). "(2131) Mayall". Dictionary of Minor Planet Names – (2131) Mayall. Springer Berlin Heidelberg. p. 173. doi:10.1007/978-3-540-29925-7_2132. ISBN 978-3-540-00238-3.
  3. ^ a b Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
  4. ^ a b Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121.
  5. ^ a b "LCDB Data for (2131) Mayall". Asteroid Lightcurve Database (LCDB). Retrieved 19 June 2017.
  6. ^ a b c Warner, Brian D.; Stephens, Robert D.; Higgins, David; Pravec, Petr (March 2007). "The Lightcurve of 2131 Mayall in 2006". Minor Planet Bulletin. 34 (1): 23. Bibcode:2007MPBu...34...23W. ISSN 1052-8091.
  7. ^ Warner, Brian D. (2005), "Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005", The Minor Planet Bulletin, 32 (3): 54–58, Bibcode:2005MPBu...32...54W
[edit]
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