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{{Infobox planet
#REDIRECT [[List of minor planets: 5001–6000]]
| minorplanet = yes
{{R to list entry}}
| name = 5175 Ables
<!--
| background = #FFFFC0
Before reverting this redirect into an article, please
| image =
check whether the content will satisfy the guidelines for
| caption =
astronomical object notability on WP:NASTRO. In particular,
| discovery_ref = &thinsp;<ref name="jpldata" />
the object must have significant coverage from independent,
| discovered = 4 November 1988
reliable sources. Just because an object is listed in a
| discoverer = [[Carolyn Shoemaker|C. S. Shoemaker]]<br />[[Eugene Shoemaker|E. M. Shoemaker]]
database (like the JPL Small-Body Database) does not mean it
| discovery_site = [[Palomar Observatory|Palomar Obs.]]
is notable.
| mp_name = 5175 Ables
-->
| alt_names = {{mp|1988 VS|4}}{{·}}1990 KH
| named_after = [[Harold D. Ables|Harold Ables]]<br />{{small|(astronomer)}}<ref name="springer" />
| mp_category = [[main-belt|main-belt (inner)]]{{·}}[[Hungaria family|Hungaria]]&thinsp;<ref name="lcdb" />
| orbit_ref = &thinsp;<ref name="jpldata" />
| epoch = 27 June 2015 ([[Julian day|JD]] 2457200.5)
| uncertainty = 0
| observation_arc = {{nowrap|61.52 yr (22,472 days)}}
| aphelion = 2.0430 [[Astronomical unit|AU]]
| perihelion = 1.8911 AU
| semimajor = 1.9671 AU
| eccentricity = 0.0386
| period = 2.76 [[Julian year (astronomy)|yr]] (1,008 days)
| mean_anomaly = 84.093[[degree (angle)|°]]
| inclination = 16.844°
| asc_node = 234.52°
| arg_peri = 313.69°
| dimensions = {{val|5.697|0.024}} km<ref name="WISE" /><br />{{val|4.29|0.23}} km<ref name="Masiero-2012" /><br />5.31 km {{small|(calculated)}}<ref name="lcdb" />
| rotation = {{val|2.798|0.002}} [[hour|h]]<ref name="Warner-2011a" /><ref name="Warner-2014f" /><br />{{val|2.7976|0.0005}} h<ref name="Warner-2014j" />
| albedo = {{val|0.2897|0.0604}}<ref name="WISE" /><br />{{val|0.505|0.074}}<ref name="Masiero-2012" /><br />0.30 {{small|(assumed)}}<ref name="lcdb" />
| spectral_type = [[E-type asteroid|E]]&thinsp;<ref name="lcdb" />
| abs_magnitude = 13.3<ref name="jpldata" />
}}

'''5175 Ables''', provisional designation {{mp|1988 VS|4}}, is a bright, stony [[asteroid]] from the inner regions of the [[asteroid belt]], about 5 kilometers in diameter. It was discovered by American astronomers [[Carolyn Shoemaker|Carolyn]] and [[Eugene Shoemaker]] at the U.S. [[Palomar Observatory]], California, on 4 November 1988.<ref name="MPC-Ables" />

The bright [[E-type asteroid|E-type]] asteroid is a member of the [[Hungaria family]], which form the innermost dense concentration of asteroids in the Solar System. It orbits the Sun at a distance of 1.9–2.0&nbsp;[[Astronomical unit|AU]] once every 2 years and 9 months (1,008 days). Its orbit shows an [[orbital eccentricity|eccentricity]] of 0.04 and is [[orbital inclination|tilted]] by 17 degrees to the plane of the [[ecliptic]].<ref name="jpldata" />

Between 2010 and 2014, several photometric [[light-curve]] analysis at the U.S. ''Palmer Divide Station'' in Colorado, have given a well-defined [[rotation period]] of 2.798 hours with a brightness amplitude of 0.10 in [[Magnitude (astronomy)|magnitude]].<ref name="Warner-2011a" /><ref name="Warner-2014f" /> Based on the surveys carried out by the U.S. [[Wide-field Infrared Survey Explorer]] and its subsequent [[NEOWISE]] mission, the asteroid has an [[astronomical albedo|albedo]] of 0.29 and 0.51, with a corresponding diameter of 5.7 and 4.3 kilometers, respectively, while the ''Collaborative Asteroid Lightcurve Link'' (CALL) assumes an albedo of 0.30 and calculates a diameter of 5.3 kilometers.<ref name="lcdb" /><ref name="WISE" /><ref name="Masiero-2012" />

The minor planet was named in honor of American astronomer Harold D. Ables (b.&thinsp;1938), former director at the [[United States Naval Observatory Flagstaff Station]] (NOFS). He led the Flagstaff Station in its development of [[Charge-coupled device|CCD]] capabilities for [[astrometry]] and spearheaded the transition from photographic to CCD techniques in parallax determinations. The name was proposed by the discoverers following a suggestion by the ''JPL Ephemeris Group''.<ref name="springer" />

== References ==
{{reflist
|refs=

<ref name="lcdb">{{cite web
|title=LCDB Data for (5175) Ables
|publisher=Asteroid Lightcurve Database (LCDB)
|url=http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=5175%7CAbles
|accessdate=January 2016}}</ref>

<ref name="jpldata">{{cite web
|type=2015-12-01 last obs.
|title=JPL Small-Body Database Browser: 5175 Ables (1988 VS4)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2005175
|publisher=Jet Propulsion Laboratory
|accessdate=January 2016}}</ref>

<ref name="springer">{{cite book
|url=http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_5021
|title=Dictionary of Minor Planet Names – (5175) Ables
|last=Schmadel |first=Lutz D.
|publisher=Springer Berlin Heidelberg
|page=445
|date=2007
|isbn=978-3-540-00238-3
|accessdate=January 2016}}</ref>

<ref name="MPC-Ables">{{cite web
|title=5175 Ables (1988 VS4)
|work=Minor Planet Center
|url=http://www.minorplanetcenter.net/db_search/show_object?object_id=5175
|accessdate=January 2016}}</ref>

<ref name="WISE">{{cite journal
|display-authors = 6
|first1 = A. |last1 = Mainzer
|first2 = T. |last2 = Grav
|first3 = J. |last3 = Masiero
|first4 = E. |last4 = Hand
|first5 = J. |last5 = Bauer
|first6 = D. |last6 = Tholen
|first7 = R. S. |last7 = McMillan
|first8 = T. |last8 = Spahr
|first9 = R. M. |last9 = Cutri
|first10 = E. |last10 = Wright
|first11 = J. |last11 = Watkins
|first12 = W. |last12 = Mo
|first13 = C. |last13 = Maleszewski
|date = November 2011
|title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M
|journal = The Astrophysical Journal
|volume = 741
|issue = 2
|page = 25
|bibcode = 2011ApJ...741...90M
|doi = 10.1088/0004-637X/741/2/90
|access-date= January 2016}}</ref>

<ref name="Masiero-2012">{{cite journal
|display-authors = 6
|first1 = Joseph R. |last1 = Masiero
|first2 = A. K. |last2 = Mainzer
|first3 = T. |last3 = Grav
|first4 = J. M. |last4 = Bauer
|first5 = R. M. |last5 = Cutri
|first6 = C. |last6 = Nugent
|first7 = M. S. |last7 = Cabrera
|date = November 2012
|title = Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M
|journal = The Astrophysical Journal Letters
|volume = 759
|issue = 1
|page = 5
|bibcode = 2012ApJ...759L...8M
|doi = 10.1088/2041-8205/759/1/L8
|access-date= January 2016}}</ref>

<ref name="Warner-2011a">{{cite journal
|author = Warner, Brian D.
|date = January 2011
|title = Lightcurve Analysis at the Palmer Divide Observatory: 2010 June-September
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011MPBu...38...25W
|journal = Bulletin of the Minor Planets
|publisher = Section of the Association of Lunar and Planetary Observers
|volume = 38
|issue = 1
|pages = 25–31
|issn = 1052-8091
|bibcode = 2011MPBu...38...25W
|access-date= January 2016}}</ref>

<ref name="Warner-2014f">{{cite journal
|author = Warner, Brian D.
|date = April 2014
|title = Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2013 September-December
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014MPBu...41..102W
|journal = Bulletin of the Minor Planets
|publisher = Section of the Association of Lunar and Planetary Observers
|volume = 41
|issue = 2
|pages = 102–112
|issn = 1052-8091
|bibcode = 2014MPBu...41..102W
|access-date= January 2016}}</ref>

<ref name="Warner-2014j">{{cite journal
|author = Warner, Brian D.
|date = July 2014
|title = Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2014 January-March
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014MPBu...41..144W
|journal = Bulletin of the Minor Planets
|publisher = Section of the Association of Lunar and Planetary Observers
|volume = 41
|issue = 3
|pages = 144–155
|issn = 1052-8091
|bibcode = 2014MPBu...41..144W
|access-date= January 2016}}</ref>

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

== External links ==
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info])
* [https://books.google.se/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
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs005001.html Discovery Circumstances: Numbered Minor Planets (5001)-(10000)] – Minor Planet Center
* {{JPL small body|title=5175 Ables (1988 VS4)|id=2005175}}

{{MinorPlanets Navigator|5174 Okugi|5176 Yoichi}}
{{Small Solar System bodies}}


{{DEFAULTSORT:Ables}}
{{DEFAULTSORT:Ables}}
[[Category:Main-belt asteroids]]
[[Category:Main-belt asteroids|005175]]
[[Category:Asteroids named for people]]
[[Category:Numbered asteroids|005175]]
[[Category:Discoveries by Carolyn S. Shoemaker]]
[[Category:Asteroids named for people|Ables]]
[[Category:Astronomical objects discovered in 1988]]
[[Category:Discoveries by Carolyn S. Shoemaker|Ables]]
[[Category:Discoveries by Eugene Merle Shoemaker|Ables]]
[[Category:Astronomical objects discovered in 1988|19881104]]
[[Category:Hungaria asteroids|005175]]
[[Category:E-type asteroids (Tholen)|005175]]


{{Beltasteroid-stub}}

Revision as of 22:29, 13 January 2016

5175 Ables
Discovery [1]
Discovered byC. S. Shoemaker
E. M. Shoemaker
Discovery sitePalomar Obs.
Discovery date4 November 1988
Designations
5175 Ables
Named after
Harold Ables
(astronomer)[2]
1988 VS4 · 1990 KH
main-belt (inner) · Hungaria [3]
Orbital characteristics [1]
Epoch 27 June 2015 (JD 2457200.5)
Uncertainty parameter 0
Observation arc61.52 yr (22,472 days)
Aphelion2.0430 AU
Perihelion1.8911 AU
1.9671 AU
Eccentricity0.0386
2.76 yr (1,008 days)
84.093°
Inclination16.844°
234.52°
313.69°
Physical characteristics
Dimensions5.697±0.024 km[4]
4.29±0.23 km[5]
5.31 km (calculated)[3]
2.798±0.002 h[6][7]
2.7976±0.0005 h[8]
0.2897±0.0604[4]
0.505±0.074[5]
0.30 (assumed)[3]
E [3]
13.3[1]

5175 Ables, provisional designation 1988 VS4, is a bright, stony asteroid from the inner regions of the asteroid belt, about 5 kilometers in diameter. It was discovered by American astronomers Carolyn and Eugene Shoemaker at the U.S. Palomar Observatory, California, on 4 November 1988.[9]

The bright E-type asteroid is a member of the Hungaria family, which form the innermost dense concentration of asteroids in the Solar System. It orbits the Sun at a distance of 1.9–2.0 AU once every 2 years and 9 months (1,008 days). Its orbit shows an eccentricity of 0.04 and is tilted by 17 degrees to the plane of the ecliptic.[1]

Between 2010 and 2014, several photometric light-curve analysis at the U.S. Palmer Divide Station in Colorado, have given a well-defined rotation period of 2.798 hours with a brightness amplitude of 0.10 in magnitude.[6][7] Based on the surveys carried out by the U.S. Wide-field Infrared Survey Explorer and its subsequent NEOWISE mission, the asteroid has an albedo of 0.29 and 0.51, with a corresponding diameter of 5.7 and 4.3 kilometers, respectively, while the Collaborative Asteroid Lightcurve Link (CALL) assumes an albedo of 0.30 and calculates a diameter of 5.3 kilometers.[3][4][5]

The minor planet was named in honor of American astronomer Harold D. Ables (b. 1938), former director at the United States Naval Observatory Flagstaff Station (NOFS). He led the Flagstaff Station in its development of CCD capabilities for astrometry and spearheaded the transition from photographic to CCD techniques in parallax determinations. The name was proposed by the discoverers following a suggestion by the JPL Ephemeris Group.[2]

References

  1. ^ a b c d "JPL Small-Body Database Browser: 5175 Ables (1988 VS4)" (2015-12-01 last obs.). Jet Propulsion Laboratory. Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)
  2. ^ a b Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (5175) Ables. Springer Berlin Heidelberg. p. 445. ISBN 978-3-540-00238-3. Retrieved January 2016. {{cite book}}: Check date values in: |accessdate= (help)
  3. ^ a b c d e "LCDB Data for (5175) Ables". Asteroid Lightcurve Database (LCDB). Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)
  4. ^ a b c Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  5. ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  6. ^ a b Warner, Brian D. (January 2011). "Lightcurve Analysis at the Palmer Divide Observatory: 2010 June-September". Bulletin of the Minor Planets. 38 (1). Section of the Association of Lunar and Planetary Observers: 25–31. Bibcode:2011MPBu...38...25W. ISSN 1052-8091. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  7. ^ a b Warner, Brian D. (April 2014). "Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2013 September-December". Bulletin of the Minor Planets. 41 (2). Section of the Association of Lunar and Planetary Observers: 102–112. Bibcode:2014MPBu...41..102W. ISSN 1052-8091. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  8. ^ Warner, Brian D. (July 2014). "Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2014 January-March". Bulletin of the Minor Planets. 41 (3). Section of the Association of Lunar and Planetary Observers: 144–155. Bibcode:2014MPBu...41..144W. ISSN 1052-8091. Retrieved January 2016. {{cite journal}}: Check date values in: |access-date= (help)
  9. ^ "5175 Ables (1988 VS4)". Minor Planet Center. Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)


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