1746 Brouwer

Hilda asteroid October 2019 yes 1746 Brouwer #D6D6D6 001746-asteroid shape model (1746) Brouwer.png Shape model of Brouwer from its lightcurve 14 September 1963 Indiana University(Indiana Asteroid Program) Goethe Link Obs. (1746) Brouwer 1963 RF1940 WE1947 QA Dirk Brouwer(astronomer) main-beltHilda 4 September 2017 (JD 2458000.5) 0 76.33 yr (27,878 days) 4.7671 AU 3.1284 AU 3.9478 AU 0.2076 7.84 yr (2,865 days) 292.05° 0.1257 ms / day 8.3676° 321.96° 47.580° 0.8580 AU 3.0040 61.50 1.80 km62.523 0.49264.25 4.9 km (IRAS:2) 19.7255 0.0005 h19.8 h19.88 0.05 hLCDB-Slyusarev-2012 0.0448 0.008 (IRAS:2)0.048 0.0060.051 0.003 Tholen = DDB–V = 0.721U–B = 0.227 9.78 0.309.95 (IRAS:2)9.95 1746 Brouwer (prov. designation: 1963 RF) is a Hilda asteroid from the outermost region of the asteroid belt, approximately 64 kilometers in diameter. It was discovered on 14 September 1963, by IU's Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States. It was named after astronomer Dirk Brouwer. Classification and orbit Brouwer is a member of the Hilda family (001), an asteroid family within the dynamical Hilda group, a large group that orbits in resonance with the gas giant Jupiter and are thought to originate from the Kuiper belt. Brouwer orbits the Sun at a distance of 3.1–4.8 AU once every 7 years and 10 months (2,865 days). Its orbit has an eccentricity of 0.21 and an inclination of 8° with respect to the ecliptic. It was first identified as 1940 WE at Turku Observatory in 1940, extending the body's observation arc by 23 years prior to its official discovery observation. Physical characteristics In the Tholen classification, Brouwer is characterized as a dark and reddish D-type asteroid. Rotation period Several rotational lightcurves of Brouwer gave a rotation period between 19.72 and 19.88 hours with a brightness variation of 0.21 and 0.35 magnitude (U=n.a/2/n.a.).LCDB-Slyusarev-2012 Diameter and albedo According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Brouwer measures between 61.50 and 64.25 kilometers in diameter, and its surface has an albedo between 0.045 and 0.051. The Collaborative Asteroid Lightcurve Link agrees with IRAS, that is an albedo of 0.045 and a diameter of 64.25 kilometers with an absolute magnitude of 9.95. Naming This minor planet was named in honor of Dutch–American astronomer Dirk Brouwer (1902–1966). Originally at Leiden University and specialized in celestial mechanics, he became director of the Yale University Observatory and was the president of IAU's commission 20, Positions & Motions of Minor Planets, Comets & Satellites, from 1948 to 1955. The official 1746 naming citation was published by the Minor Planet Center on 15 July 1968 (M.P.C. 2883). Notes LCDB-Slyusarev-2012 Slyusarev (2012) web: rotation period 19.88 0.05 hours with a brightness amplitude of 0.21. Summary figures at Asteroid Lightcurve Database for (1746) Brouwer References 30em 2017-03-28 last obs. JPL Small-Body Database Browser: 1746 Brouwer (1963 RF) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001746 https://web.archive.org/web/20200805140334/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001746 dead 5 August 2020 Jet Propulsion Laboratory 7 June 2017 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg 139 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1747 (1746) Brouwer 1746 Brouwer (1963 RF) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1746 20 December 2016 Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008) Appendix – Publication Dates of the MPCs Schmadel Lutz D. 2009 Springer Berlin Heidelberg 221 978-3-642-01964-7 10.1007/978-3-642-01965-4 2009dmpn.book.....S 1746 20 December 2016 E. F. Tedesco P. V. Noah M. Noah S. D. Price October 2004 IRAS Minor Planet Survey V6.0 https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab NASA Planetary Data System – IRAS-A-FPA-3-RDR-IMPS-V6.0 12 2004PDSS...12.....T 17 October 2019 6 Fumihiko Usui Daisuke Kuroda Thomas G. Müller Sunao Hasegawa Masateru Ishiguro Takafumi Ootsubo Daisuke Ishihara Hirokazu Kataza Satoshi Takita Shinki Oyabu Munetaka Ueno Hideo Matsuhara Takashi Onaka October 2011 Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey Publications of the Astronomical Society of Japan 63 5 1117–1138 2011PASJ...63.1117U 10.1093/pasj/63.5.1117 free (online, AcuA catalog p. 153) 6 M. Dahlgren J. F. Lahulla C.-I. Lagerkvist J. Lagerros S. Mottola A. Erikson M. Gonano-Beurer M. Di Martino June 1998 A Study of Hilda Asteroids. V. Lightcurves of 47 Hilda Asteroids https://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=1998Icar..133..247D Icarus 133 2 247–285 1998Icar..133..247D 10.1006/icar.1998.5919 20 December 2016 6 J. Hanus J. Durech D. A. Oszkiewicz R. Behrend B. Carry M. Delbo O. Adam V. Afonina R. Anquetin P. Antonini L. Arnold M. Audejean P. Aurard M. Bachschmidt B. Baduel E. Barbotin P. Barroy P. Baudouin L. Berard N. Berger L. Bernasconi J.-G. Bosch S. Bouley I. Bozhinova J. Brinsfield L. Brunetto G. Canaud J. Caron F. Carrier G. Casalnuovo S. Casulli M. Cerda L. Chalamet S. Charbonnel B. Chinaglia A. Cikota F. Colas J.-F. Coliac A. Collet J. Coloma M. Conjat E. Conseil R. Costa R. Crippa M. Cristofanelli Y. Damerdji Debackè A. re A. Decock Q. Déhais T. Déléage S. Delmelle C. Demeautis M. Drózdz G. Dubos T. Dulcamara M. Dumont R. Durkee R. Dymock A. Escalante del Valle N. Esseiva R. Esseiva M. Esteban T. Fauchez M. Fauerbach M. Fauvaud S. Fauvaud E. Forné C. Fournel D. Fradet J. Garlitz O. Gerteis C. Gillier M. Gillon R. Giraud J.-P. Godard R. Goncalves Hiroko Hamanowa Hiromi Hamanowa K. Hay S. Hellmich S. Heterier D. Higgins R. Hirsch G. Hodosan M. Hren A. Hygate N. Innocent H. Jacquinot S. Jawahar E. Jehin L. Jerosimic A. Klotz W. Koff P. Korlevic E. Kosturkiewicz P. Krafft Y. Krugly F. Kugel O. Labrevoir J. Lecacheux M. Lehký A. Leroy B. Lesquerbault M. J. Lopez-Gonzales M. Lutz B. Mallecot J. Manfroid F. Manzini A. Marciniak A. Martin B. Modave R. Montaigut J. Montier E. Morelle B. Morton S. Mottola R. Naves J. Nomen J. Oey W. Ogloza M. Paiella H. Pallares A. Peyrot F. Pilcher J.-F. Pirenne P. Piron M. Polinska M. Polotto R. Poncy J. P. Previt F. Reignier D. Renauld D. Ricci F. Richard C. Rinner V. Risoldi D. Robilliard D. Romeuf G. Rousseau R. Roy J. Ruthroff P. A. Salom L. Salvador S. Sanchez T. Santana-Ros A. Scholz G. Séné B. Skiff K. Sobkowiak P. Sogorb F. Soldán A. Spiridakis E. Splanska S. Sposetti D. Starkey R. Stephens A. Stiepen R. Stoss J. Strajnic J.-P. Teng G. Tumolo A. Vagnozzi B. Vanoutryve J. M. Vugnon B. D. Warner M. Waucomont O. Wertz M. Winiarski M. Wolf February 2016 New and updated convex shape models of asteroids based on optical data from a large collaboration network http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016A&A...586A.108H Astronomy and Astrophysics 586 24 2016A&A...586A.108H 10.1051/0004-6361/201527441 20 December 2016 1510.07422 119112278 6 Peter Veres Robert Jedicke Alan Fitzsimmons Larry Denneau Mikael Granvik Bryce Bolin Serge Chastel Richard J. Wainscoat William S. Burgett Kenneth C. Chambers Heather Flewelling Nick Kaiser Eugen A. Magnier Jeff S. Morgan Paul A. Price John L. Tonry Christopher Waters November 2015 Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V Icarus 261 34–47 2015Icar..261...34V 10.1016/j.icarus.2015.08.007 1506.00762 53493339 20 December 2016 6 T. Grav A. K. Mainzer J. Bauer J. Masiero T. Spahr R. S. McMillan R. Walker R. Cutri E. Wright P. R. Eisenhardt E. Blauvelt E. DeBaun D. Elsbury T. Gautier S. Gomillion E. Hand A. Wilkins January 2012 WISE/NEOWISE Observations of the Hilda Population: Preliminary Results https://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...744..197G The Astrophysical Journal 744 2 15 2012ApJ...744..197G 10.1088/0004-637X/744/2/197 1110.0283 44000310 20 December 2016 External links Asteroid Lightcurve Database (LCDB), query form (info https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html 16 December 2017 ) Dictionary of Minor Planet Names, Google books Asteroids and comets rotation curves, CdR https://web.archive.org/web/20241208174218/http://obswww.unige.ch/~behrend/page_cou.html 8 December 2024 – Observatoire de Genève, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 1746 1745 Ferguson 1746 1747 Wright 001740 001746 Category:Named minor planets 001746 19630914