1461 Jean-Jacques

Metallic asteroid from the outer region of the asteroid belt October 2019 yes 1461 Jean-Jacques #D6D6D6 30 December 1937 M. Laugier Nice Obs. (1461) Jean-Jacques 1937 YL1935 OH1939 GH Jean-Jacques Laugier(son of discoverer) main-belt(outer) 4 September 2017 (JD 2458000.5) 0 81.92 yr (29,921 days) 3.2752 AU 2.9749 AU 3.1250 AU 0.0480 5.52 yr (2,018 days) 183.52° 0.1784 ms / day 15.314° 104.64° 335.41° 25.33 1.04 km32.94 1.4 km (IRAS:8)33.75 1.40 km35.145 0.17241.431 0.464 km 16.56 0.01 h 0.1022 0.00950.1613 0.014 (IRAS:8)0.168 0.0170.172 0.0300.273 0.043 Tholen = MXMB–V = 0.715U–B = 0.210 9.97 0.3310.01 1461 Jean-Jacques, provisional designation 1937 YL, is a metallic asteroid from the outer region of the asteroid belt, approximately 34 kilometers in diameter. It was discovered on 30 December 1937, by French astronomer Marguerite Laugier at Nice Observatory in southern France, who named it after her son Jean-Jacques Laugier. Orbit and classification Jean-Jacques orbits the Sun in the outer main-belt at a distance of 3.0–3.3 AU once every 5 years and 6 months (2,018 days). Its orbit has an eccentricity of 0.05 and an inclination of 15° with respect to the ecliptic. The asteroid was first identified as 1935 OH at Johannesburg Observatory in 1935, extending the body's observation arc by 2 years prior to its official discovery observation. Physical characteristics In the Tholen classification, Jean-Jacques is a metallic M-type asteroid. Rotation period In March 2005, a rotational lightcurve of Jean-Jacques was obtained from photometric observations by Laurent Bernasconi and Horacio Correia. Lightcurve analysis gave a rotation period of 16.56 hours with a brightness variation of 0.09 in magnitude (U=2). 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, Jean-Jacques measures between 25.33 and 41.43 kilometers in diameter and its surface has an albedo between 0.102 and 0.273. The Collaborative Asteroid Lightcurve Link adopts the results from IRAS, that is an albedo of 0.161 and a diameter of 32.94 kilometers with an absolute magnitude of 10.01. Naming This minor planet was named after Jean-Jacques Laugier, the son of the discoverer. The official 1461 naming citation was published by the Minor Planet Center on 31 January 1962 (M.P.C. 2116). References 2017-07-03 last obs. JPL Small-Body Database Browser: 1461 Jean-Jacques (1937 YL) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001461 Jet Propulsion Laboratory 25 July 2017 Dictionary of Minor Planet Names – (1461) Jean-Jacques Schmadel Lutz D. Springer Berlin Heidelberg 117 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1462 (1461) Jean-Jacques 1461 Jean-Jacques (1937 YL) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1461 16 December 2016 Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008) 2009 https://archive.org/details/dictionaryminorp2008schm limited Appendix – Publication Dates of the MPCs Schmadel Lutz D. Springer Berlin Heidelberg 221 978-3-642-01964-7 10.1007/978-3-642-01965-4 Asteroids and comets rotation curves – (1461) Jean-Jacques Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page4cou.html#001461 16 December 2016 3 August 2003 https://web.archive.org/web/20030803183423/http://obswww.unige.ch/~behrend/page4cou.html#001461 dead 1461 16 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 12 IRAS-A-FPA-3-RDR-IMPS-V6.0 2004PDSS...12.....T 22 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 A. Mainzer T. Grav J. Masiero E. Hand J. Bauer D. Tholen R. S. McMillan T. Spahr R. M. Cutri E. Wright J. Watkins W. Mo C. Maleszewski November 2011 NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results The Astrophysical Journal 741 2 25 2011ApJ...741...90M 10.1088/0004-637X/741/2/90 1109.6407 6 Joseph R. Masiero A. K. Mainzer T. Grav J. M. Bauer R. M. Cutri C. Nugent M. S. Cabrera November 2012 Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M The Astrophysical Journal Letters 759 1 5 2012ApJ...759L...8M 10.1088/2041-8205/759/1/L8 1209.5794 16 December 2016 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 16 December 2016 6 Joseph R. Masiero T. Grav A. K. Mainzer C. R. Nugent J. M. Bauer R. Stevenson S. Sonnett August 2014 Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M The Astrophysical Journal 791 2 11 2014ApJ...791..121M 10.1088/0004-637X/791/2/121 1406.6645 16 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/20160729213840/http://obswww.unige.ch/~behrend/page_cou.html 29 July 2016 – Observatoire de Genève, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 1461 1460 Haltia 1461 1462 Zamenhof 001461 Category:Discoveries by Marguerite Laugier Category:Named minor planets 001461 19371230