1145 Robelmonte

Main-belt asteroid July 2018 yes 1145 Robelmonte #D6D6D6 E. Delporte Uccle Obs. 3 February 1929 (1145) Robelmonte 1929 CCA915 RN Robelmont(birthplace of Sylvain Arend) main-beltVestian 4 September 2017 (JD 2458000.5) 0 86.87 yr (31,730 days) 2.7112 AU 2.1363 AU 2.4238 AU 0.1186 3.77 yr (1,378 days) 68.012° 0.2612 ms / day 6.2071° 346.82° 267.51° 18.85 5.08 km19.13 5.00 km22.23 0.39 km23.16 km (derived)24.029 0.129 km24.07 0.37 km24.757 0.541 km 7.582 0.0027 h8.002 0.002 h9.01 0.01 h21 h 0.0994 (derived)0.1046 0.01750.108 0.0200.113 0.0040.128 0.0060.15 0.090.16 0.08 S 11.1011.157 0.001 (R)11.3011.37 0.2711.411.44 1145 Robelmonte, provisional designation 1929 CC, is a Vestian asteroid from the inner regions of the asteroid belt, approximately 23 kilometers in diameter. It was discovered on 3 February 1929, by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle. Through a glitch in the naming process, the asteroid received the name "Robelmonte" instead of "Mimi" as originally intended by the discoverer. Orbit and classification Robelmonte is a member of the Vesta family (401), the main-belt's second-largest asteroid family by number of members.23 Vestian asteroids have a composition akin to the HED meteorites and are thought to have originated deep within 4 Vesta's crust, possibly from Rheasilvia, a large impact crater on its southern hemisphere near the South pole, formed as a result of a subcatastrophic collision. Vesta is the main belt's second-largest and second-most-massive body after Ceres. Robelmonte orbits the Sun in the inner main-belt at a distance of 2.1–2.7 AU once every 3 years and 9 months (1,378 days). Its orbit has an eccentricity of 0.12 and an inclination of 6° with respect to the ecliptic. The asteroid was first identified as A915 RN at Simeiz Observatory in September 1915. Its observation arc begins at Algiers Observatory in August 1930, more than a year after its official discovery observation at Uccle. Physical characteristics Robelmonte is an assumed stony S-type asteroid, despite its relatively low albedo. Rotation period In March 2016, the best-rated rotational lightcurve of Robelmonte was obtained from photometric observations by the Spanish amateur astronomer group OBAS (Observadores de Asteroides – Asteroid Observers). Lightcurve analysis gave a rotation period of 8.002 hours with a brightness variation of 0.13 magnitude (U=3-). Previous observations gave a divergent period of 7.582, 9.01 and 21 hours, respectively (U=2/2/1). 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, Robelmonte measures between 18.85 and 24.757 kilometers in diameter and its surface has an albedo between 0.1046 and 0.16. The Collaborative Asteroid Lightcurve Link derives a low albedo of 0.0994 and a diameter of 23.16 kilometers based on an absolute magnitude of 11.3. Naming This minor planet was named after Robelmont, the birthplace of Belgian astronomer Sylvain Arend (Robelmonte is the feminine form). Through an error, the names intended for 1127 Mimi (wife of Delporte) and 1145 Robelmonte (birthplace of Arend) had been switched, and each name had been proposed by the discoverer of the other asteroid. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 107). References 30em 2017-07-05 last obs. JPL Small-Body Database Browser: 1145 Robelmonte (1929 CC) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001145 Jet Propulsion Laboratory 8 September 2017 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg 97 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1146 (1145) Robelmonte 1145 Robelmonte (1929 CC) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1145 8 September 2017 Asteroids and comets rotation curves – (1145) Robelmonte Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page3cou.html#001145 8 September 2017 3 December 2002 https://web.archive.org/web/20021203214643/http://obswww.unige.ch/~behrend/page3cou.html#001145 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 8 September 2017 1145 8 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 8 September 2017 6 C. R. Nugent A. Mainzer J. Masiero J. Bauer R. M. Cutri T. Grav E. Kramer S. Sonnett R. Stevenson E. L. Wright December 2015 NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJ...814..117N The Astrophysical Journal 814 2 13 2015ApJ...814..117N 10.1088/0004-637X/814/2/117 1509.02522 8 September 2017 6 C. R. Nugent A. Mainzer J. Bauer R. M. Cutri E. A. Kramer T. Grav J. Masiero S. Sonnett E. L. Wright September 2016 NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos The Astronomical Journal 152 3 12 2016AJ....152...63N 10.3847/0004-6256/152/3/63 1606.08923 free 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 Gartrelle, Gordon M. April 2012 Lightcurve Results for Eleven Asteroids http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012MPBu...39...40G The Minor Planet Bulletin 39 2 40%–46 1052-8091 2012MPBu...39...40G 8 September 2017 6 Adam Waszczak Chan-Kao Chang Eran O. Ofek Russ Laher Frank Masci David Levitan Jason Surace Yu-Chi Cheng Wing-Huen Ip Daisuke Kinoshita George Helou Thomas A. Prince Shrinivas Kulkarni September 2015 Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W The Astronomical Journal 150 3 35 2015AJ....150...75W 10.1088/0004-6256/150/3/75 1504.04041 8 September 2017 6 Enrique Arce Mansego Pedro Brines Rodriguez Juan Lozano de Haro Onofre Rodrigo Chiner Alvaro Fornas Silva David Herrero Porta Vicente Mas Martinez Gonzalo Fornas Silva Alfonso Carreno Garceran October 2016 Eighteen Asteroids Lightcurves at Asteroides Observers (OBAS) - MPPD: 2016 March–May http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016MPBu...43..332M The Minor Planet Bulletin 43 4 332–336 1052-8091 2016MPBu...43..332M 8 September 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 September 2017 Asteroid 1145 Robelmonte – Nesvorny HCM Asteroid Families V3.0 Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1145+Robelmonte#Asteroid%201145%20RobelmonteEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 26 October 2019 October 2026 InternetArchiveBot 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 Michael S. Kelley Faith Vilas Michael J. Gaffey Paul A. Abell September 2003 Quantified mineralogical evidence for a common origin of 1929 Kollaa with 4 Vesta and the HED meteorites http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2003Icar..165..215K Icarus 165 1 215–218 2003Icar..165..215K 10.1016/S0019-1035(03)00149-0 8 September 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 1145 1144 Oda 1145 1146 Biarmia 001145 Category:Discoveries by Eugène Joseph Delporte Category:Named minor planets 19290203