1751 Herget

Asteroid October 2019 yes 1751 Herget #D6D6D6 27 July 1955 Indiana University(Indiana Asteroid Program) Goethe Link Obs. (1751) Herget 1955 OC1955 QO1955 RB1955 SP 11962 CC1969 QA Paul Herget(American astronomer) main-belt(middle)Gefion 4 September 2017 (JD 2458000.5) 0 61.67 yr (22,526 days) 3.2765 AU 2.3002 AU 2.7883 AU 0.1751 4.66 yr (1,701 days) 78.845° 8.1315° 240.27° 130.93° 10.929 0.248 km23.21 km (calculated) 3.937 0.001 h3.9397 0.0006 h 0.195 0.0270.057 (assumed) SMASS = SC 11.80 0.0511.912.06 0.4112.2 1751 Herget, provisional designation 1955 OC, is a stony Gefionian asteroid from the central region of the asteroid belt, approximately 11 kilometers in diameter. It was discovered on 27 July 1955, by IUs Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States. The asteroid was named after American astronomer Paul Herget. Classification and orbit Herget is a member of the large Gefion family of asteroids (516). It orbits the Sun in the central main-belt at a distance of 2.3–3.3 AU once every 4 years and 8 months (1,701 days; semi-major axis of 2.79 AU). Its orbit has an eccentricity of 0.18 and an inclination of 8° with respect to the ecliptic. As no precoveries were taken, and no prior identifications were made, the body's observation arc begins with its official discovery observation at Goethe Link in 1955. Physical characteristics In the SMASS classification, Herget has been characterized as a common S-type asteroid, which agrees with the overall spectral type of the Gefion family.23 Diameter and albedo According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Herget measures 10.93 kilometers in diameter, and its surface has an albedo of 0.195, while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057 and calculates a diameter of 23.21 kilometers with an absolute magnitude of 11.9, as the lower the body's albedo (reflectivity), the larger its diameter. Rotation period In November 2016, two rotational lightcurves of Herget were obtained from photometric observations by Italian astronomers Lorenzo Franco and Alessandro Marchini, as well as by French amateur astronomer René Roy. Lightcurve analysis gave a rotation period of 3.937 and 3.9397 hours with a brightness amplitude of 0.30 and 0.31 magnitude, respectively (U=3-/3). Naming This minor planet was named in honor of American astronomer Paul Herget (1908–1981), who was director of the Cincinnati Observatory and distinguished service professor in the University of Cincinnati. Herget was also founder of the Minor Planet Center (MPC) in 1947, pioneer in the application of high speed computers to astronomical problems, member of the U.S. National Academy of Sciences, and past president of IAU's Commission 20 (Positions & Motions of Minor Planets, Comets & Satellites). The official 1751 naming citation was published by the MPC on 20 February 1971 (M.P.C. 3143). References 30em 2017-03-29 last obs. JPL Small-Body Database Browser: 1751 Herget (1955 OC) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001751 https://web.archive.org/web/20200918063424/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001751 18 September 2020 Jet Propulsion Laboratory 8 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_1752 (1751) Herget 1751 Herget (1955 OC) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1751 20 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 – (1751) Herget Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page4cou.html#001751 27 December 2016 1 April 2019 https://web.archive.org/web/20190401181659/http://obswww.unige.ch/~behrend/page4cou.html#001751 dead 6 Joseph R. Masiero A. K. Mainzer T. Grav J. M. Bauer R. M. Cutri J. Dailey P. R. M. Eisenhardt R. S. McMillan T. B. Spahr M. F. Skrutskie D. Tholen R. G. Walker E. L. Wright E. DeBaun D. Elsbury T. IV Gautier S. Gomillion A. Wilkins November 2011 Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M The Astrophysical Journal 741 2 20 2011ApJ...741...68M 10.1088/0004-637X/741/2/68 1109.4096 20 December 2016 Asteroid 1751 Herget – Nesvorny HCM Asteroid Families V3.0 Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1751+Herget#Asteroid%201751%20HergetEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 26 October 2019 https://web.archive.org/web/20201107103732/https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1751+Herget#Asteroid%201751%20HergetEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 7 November 2020 dead D. Nesvorný M. Broz V. Carruba December 2014 Identification and Dynamical Properties of Asteroid Families Asteroids IV 297–321 2015aste.book..297N 10.2458/azu_uapress_9780816532131-ch016 1502.01628 978-0-8165-3213-1 1751 8 June 2017 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 Lorenzo Franco Alessandro Marchini April 2017 Rotation Periods for 1751 Herget, 2022 West and (23997) 1999 RW27 http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2017MPBu...44...93F The Minor Planet Bulletin 44 2 93–94 1052-8091 2017MPBu...44...93F 8 June 2017 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 8 June 2017 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 1751 1750 Eckert 1751 1752 van Herk 001751 001751 Category:Named minor planets 001751 19550727