1199 Geldonia

Main-belt asteroid October 2019 yes 1199 Geldonia #D6D6D6 E. Delporte Uccle Obs. 14 September 1931 (1199) Geldonia 1931 RF1930 MB1946 OH1958 WCA921 TF g ɛ l ' d oʊ n i ə Jodoigne(Belgian city) main-belt(outer)Eos 4 September 2017 (JD 2458000.5) 0 95.48 yr (34,873 days) 3.1016 AU 2.9337 AU 3.0177 AU 0.0278 5.24 yr (1,915 days) 324.45° 0.1880 ms / day 8.7917° 235.63° 291.33° 30.395 0.243 km31.25 3.0 km 32.858 0.315 km35.88 0.50 km36.08 0.58 km 28.3 0.2 h 0.098 0.0040.098 0.0100.1182 0.01080.1299 0.029 Tholen CGTP:B–V 0.760U–B 0.330 10.36 1199 Geldonia (provisional designation 1931 RF) is an Eoan asteroid from the outer regions of the asteroid belt, approximately 32 kilometers in diameter. It was discovered on 14 September 1931, by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle. The asteroid was named after the Belgian town of Jodoigne. Orbit and classification Geldonia is a member the Eos family (606), the largest asteroid family of the outer main belt consisting of nearly 10,000 asteroids.23 It orbits the Sun at a distance of 2.9–3.1 AU once every 5 years and 3 months (1,915 days). Its orbit has an eccentricity of 0.03 and an inclination of 9° with respect to the ecliptic. The body's observation arc begins with its first identification as A921 TF at Heidelberg Observatory in October 1921, almost 10 years prior to its official discovery observation at Uccle. Physical characteristics In the Tholen classification, Geldonia has an ambiguous spectral type, closest to a carbonaceous C-type asteroid with some similarities to the G-, T- and the primitive P-type asteroids, and was flagged as a nosy spectrum (CGTP:). The overall spectral type for members of the Eoan family on the other hand is that of a K-type.23 Rotation period In November 2010, a rotational lightcurve of Geldonia was obtained from photometric observations by Italian astronomer Silvano Casulli. Lightcurve analysis gave a longer-than-average rotation period of 28.3 hours with a brightness amplitude of 0.11 magnitude (U=2-). While not being a slow rotator, which have periods longer than 100 hours, Geldonias spin rate is still longer than that of most minor planets, which typically rotate between 2 and 20 hours once around their axis. Diameter and albedo According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Geldonia measures between 30.395 and 36.08 kilometers in diameter and its surface has an albedo between 0.098 and 0.1182. The Collaborative Asteroid Lightcurve Link adopts the results obtained by Infrared Astronomical Satellite, that is, an albedo of 0.1299 and a diameter of 31.25 kilometers based on an absolute magnitude of 10.36. Naming This minor planet was named after the Belgian town of Jodoigne, also known by its Latin name of Geldenaken (hence the asteroid's name of "Geldonia"). It is the native town of the discoverer Eugène Delporte. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 111). References 30em 2017-03-29 last obs. JPL Small-Body Database Browser: 1199 Geldonia (1931 RF) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001199 Jet Propulsion Laboratory 28 September 2017 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg 100 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1200 (1199) Geldonia 1199 Geldonia (1931 RF) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1199 28 September 2017 Asteroids and comets rotation curves – (1199) Geldonia Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page3cou.html#001199 28 September 2017 3 December 2002 https://web.archive.org/web/20021203214643/http://obswww.unige.ch/~behrend/page3cou.html#001199 dead 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 28 September 2017 Asteroid 1199 Geldonia – Nesvorny HCM Asteroid Families V3.0 Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1199+Geldonia#Asteroid%201199%20GeldoniaEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 26 October 2019 https://web.archive.org/web/20200819223654/https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1199+Geldonia#Asteroid%201199%20GeldoniaEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 19 August 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 9780816532131 1199 28 September 2017 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 28 September 2017 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 (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 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 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 1199 1198 Atlantis 1199 1200 Imperatrix 001199 Category:Discoveries by Eugène Joseph Delporte Category:Named minor planets 1199 Geldonia 001199 19310914