1996 Adams
{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=October 2019}}
{{Infobox planet
| minorplanet = yes
| name = 1996 Adams
| background = #D6D6D6
| image = 1996Adams (Lightcurve Inversion).png
| image_scale =
| caption = {{longitem|Lightcurve-based 3D-model of Adams|style=padding: 5px 0; line-height: 1.3em;}}
| discovered = 16 October 1961
| discoverer = Indiana University
{{nowrap|{{small|(Indiana Asteroid Program)}}}}
| discovery_site = Goethe Link Obs.
| mpc_name = (1996) Adams
| alt_names = 1961 UA{{·}}1932 RM
{{mp|1961 TB|2}}{{·}}{{mp|1969 TW|2}}
{{mp|1971 BY|1}}{{·}}{{mp|1973 SJ|3}}
| named_after = John Couch Adams
{{small|(mathematician)}}
| mp_category = main-belt
Eunomia{{·}}Maria
| epoch = 4 September 2017 (JD 2458000.5)
| uncertainty = 0
| observation_arc = 55.66 yr (20,331 days)
| aphelion = 2.9123 AU
| perihelion = 2.2058 AU
| semimajor = 2.5591 AU
| eccentricity = 0.1380
| period = 4.09 yr (1,495 days)
| mean_anomaly = 259.97°
| mean_motion = {{Deg2DMS|0.2408|sup=ms}} / day
| inclination = 15.132°
| asc_node = 1.0923°
| arg_peri = 355.05°
| dimensions = {{val|10.12|0.41}} km
{{val|12.05|0.44}} km
{{val|12.417|0.158}}
{{val|13.529|0.069}} km
13.88 km {{small|(calculated)}}
| rotation = {{val|3.27|0.02}} h
{{val|3.311|0.001}} h{{efn|name=LCDB-Mazzone}}
{{val|3.31138|0.00006}} h
{{val|3.316|0.079}} h{{efn|name=LCDB-Aznar}} h
{{val|3.560}} h
| albedo = {{val|0.1405|0.0118}}
{{val|0.177|0.014}}
{{val|0.183|0.053}}
0.21 {{small|(assumed)}}
{{val|0.395|0.066}}
| spectral_type = S
| abs_magnitude = 11.6{{·}}{{val|11.06|0.14}}{{·}}12.1
}}
1996 Adams, provisional designation {{mp|1961 UA}}, is a stony Eunomia asteroid from the middle region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 16 October 1961, by the Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States. It was later named after mathematician John Couch Adams.
Classification and orbit
The Collaborative Asteroid Lightcurve Link (CALL) classifies Adams as a member of the Eunomia family, a large group of stony S-type asteroid and the most prominent family in the intermediate main-belt. However, based on its concurring orbital elements, Alvarez-Candal from the Universidad Nacional de Córdoba, groups the asteroid into the Maria family, which is named after 170 Maria (also see 9175 Graun).{{rp|389}}
Adams orbits the Sun in the central main-belt at a distance of 2.2–2.9 AU once every 4 years and 1 month (1,495 days). Its orbit has an eccentricity of 0.14 and an inclination of 15° with respect to the ecliptic. Adams was first identified as {{mp|1932 RM}} at Johannesburg Observatory. It first used observation was a precovery made at the discovering observatory just ten days prior to the official discovery observation.
Physical characteristics
Several rotational lightcurves of Adams were obtained from photometric observations in 2010 and 2012. Best-rated lightcurve analysis gave a rotation period of {{val|3.311}} hours with a brightness variation between 0.40 and 0.46 magnitude ({{small|U=3/3/3/3}}).{{efn|name=LCDB-Mazzone}} Additional photometric observations gave similar periods of 3.316, 3.27 and 3.560 hours with an amplitude of 0.60, 0.28 and 0.34, respectively ({{small|U=2+/1/3}}).{{efn|name=LCDB-Aznar}}
According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Adams measures between 10.1 and 13.5 kilometers in diameter and its surface has an albedo between 0.141 and 0.395. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.21 – derived from 15 Eunomia, the family's largest member and namesake – and calculates a diameter of 13.9 kilometers with an absolute magnitude of 11.6.
Naming
This minor planet was named after John Couch Adams (1819–1892), British mathematician and astronomer, who predicted the existence and position of Neptune, simultaneously with French mathematician Urbain Le Verrier, (also see 1997 Leverrier). The lunar crater Adams is also named in his honour. The official {{MoMP|1996|naming citation}} was published by the Minor Planet Center on 15 October 1977 ({{small|M.P.C. 4237}}).
Notes
{{notelist|refs=
{{efn|name=LCDB-Mazzone|1=Mazzone (2011) web: rotation period {{val|3.311|0.001}} hours with a brightness amplitude of {{val|0.44}} mag. Summary figures for (1996) Adams at [http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1996%7CAdams Collaborative Asteroid Lightcurve Link (CALL)]}}
{{efn|name=LCDB-Aznar|1=Aznar (2011) web: web: rotation period {{val|3.316|0.079}} hours with a brightness amplitude of {{val|0.6}} mag. Summary figures for (1996) Adams at [http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1996%7CAdams Collaborative Asteroid Lightcurve Link (CALL)]}}
}}
References
{{reflist|30em|refs=
|type = 2017-06-05 last obs.
|title = JPL Small-Body Database Browser: 1996 Adams (1961 UA)
|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001996
|publisher = Jet Propulsion Laboratory
|accessdate = 1 July 2017}}
|title = Dictionary of Minor Planet Names – (1996) Adams
|last = Schmadel | first = Lutz D.
|publisher = Springer Berlin Heidelberg
|page = 162
|date = 2007
|isbn = 978-3-540-00238-3
|doi = 10.1007/978-3-540-29925-7_1997 |chapter = (1996) Adams }}
|title = 1996 Adams (1961 UA)
|work = Minor Planet Center
|url = https://www.minorplanetcenter.net/db_search/show_object?object_id=1996
|accessdate = 8 December 2016}}
|title = Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008)
|year = 2009
|url = https://archive.org/details/dictionaryminorp2008schm
|url-access = limited
|chapter = Appendix – Publication Dates of the MPCs
|last = Schmadel |first=Lutz D.
|publisher = Springer Berlin Heidelberg
|page = [https://archive.org/details/dictionaryminorp2008schm/page/n230 221]
|isbn = 978-3-642-01964-7
|doi = 10.1007/978-3-642-01965-4}}
|title = LCDB Data for (1996) Adams
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1996%7CAdams
|accessdate = 8 December 2016}}
|display-authors = 6
|first1 = Fumihiko |last1 = Usui
|first2 = Daisuke |last2 = Kuroda
|first3 = Thomas G. |last3 = Müller
|first4 = Sunao |last4 = Hasegawa
|first5 = Masateru |last5 = Ishiguro
|first6 = Takafumi |last6 = Ootsubo
|first7 = Daisuke |last7 = Ishihara
|first8 = Hirokazu |last8 = Kataza
|first9 = Satoshi |last9 = Takita
|first10 = Shinki |last10 = Oyabu
|first11 = Munetaka |last11 = Ueno
|first12 = Hideo |last12 = Matsuhara
|first13 = Takashi |last13 = Onaka
|date = October 2011
|title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey
|journal = Publications of the Astronomical Society of Japan
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|doi-access=
}} ([http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-source=J/PASJ/63/1117/acua_v1&Num=1996 online], [https://core.ac.uk/download/pdf/43545172.pdf AcuA catalog p. 153])
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|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
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|first11 = J. |last11 = Watkins
|first12 = W. |last12 = Mo
|first13 = C. |last13 = Maleszewski
|date = November 2011
|title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results
|journal = The Astrophysical Journal
|volume = 741
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|bibcode = 2011ApJ...741...90M
|doi = 10.1088/0004-637X/741/2/90
|arxiv = 1109.6407}}
|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
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|journal = The Astrophysical Journal Letters
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|arxiv = 1209.5794
|access-date= 8 December 2016}}
|first1 = Alvaro |last1 = Alvarez-Candal
|first2 = René |last2 = Duffard
|first3 = Cláudia A. |last3 = Angeli
|first4 = Daniela |last4 = Lazzaro
|first5 = Silvia |last5 = Fernández
|date = December 2004
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|journal = Icarus
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|pages = 388–401
|bibcode = 2004Icar..172..388A
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|access-date= 8 December 2016}}
|author = Durkee, Russell I.
|date = January 2011
|title = Asteroids Observed from the Shed of Science Observatory: 2010 May-October
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|journal = The Minor Planet Bulletin
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|issue = 1
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|access-date= 8 December 2016}}
|author = Aymami, Josep Maria
|date = January 2011
|title = CCD Photometry and Lightcurve Analysis of 1730 Marceline and 1996 Adams from Observatori Carmelita in Tiana
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011MPBu...38...55A
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|access-date= 8 December 2016}}
|first1 = Carlos |last1 = Ambrosioni
|first2 = Carlos |last2 = Colazo
|first3 = Fernando |last3 = Mazzone
|date = April 2011
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|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011MPBu...38..102A
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|issue = 2
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|bibcode = 2011MPBu...38..102A
|access-date= 8 December 2016}}
|display-authors = 6
|first1 = M.-J. |last1 = Kim
|first2 = Y.-J. |last2 = Choi
|first3 = H.-K. |last3 = Moon
|first4 = Y.-I. |last4 = Byun
|first5 = N. |last5 = Brosch
|first6 = M. |last6 = Kaplan
|first7 = S. |last7 = Kaynar
|first8 = Ö |last8 = Uysal
|first9 = E. |last9 = Güzel
|first10 = R. |last10 = Behrend
|first11 = J.-N. |last11 = Yoon
|first12 = S. |last12 = Mottola
|first13 = S. |last13 = Hellmich
|first14 = T. C. |last14 = Hinse
|first15 = Z. |last15 = Eker
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|access-date= 8 December 2016|arxiv = 1311.5318 }}
|display-authors = 6
|first1 = Peter |last1 = Veres
|first2 = Robert |last2 = Jedicke
|first3 = Alan |last3 = Fitzsimmons
|first4 = Larry |last4 = Denneau
|first5 = Mikael |last5 = Granvik
|first6 = Bryce |last6 = Bolin
|first7 = Serge |last7 = Chastel
|first8 = Richard J. |last8 = Wainscoat
|first9 = William S. |last9 = Burgett
|first10 = Kenneth C. |last10 = Chambers
|first11 = Heather |last11 = Flewelling
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|date = November 2015
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|bibcode = 2015Icar..261...34V
|doi = 10.1016/j.icarus.2015.08.007
|arxiv = 1506.00762
|access-date= 8 December 2016}}
|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
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|issue = 2
|page = 11
|bibcode = 2014ApJ...791..121M
|doi = 10.1088/0004-637X/791/2/121
|arxiv = 1406.6645
|access-date= 8 December 2016}}
}}
External links
- [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|1996}}
- {{JPL small body}}
{{Minor planets navigator |1995 Hajek |number=1996 |1997 Leverrier}}
{{Small Solar System bodies}}
{{Authority control}}
{{DEFAULTSORT:Adams}}