1118 Hanskya

Asteroid October 2019 yes 1118 Hanskya #D6D6D6 001118-asteroid shape model (1118) Hanskya.png Shape model of Hanskya from its lightcurve S. BelyavskyjN. Ivanov Simeiz Obs. 29 August 1927 (1118) Hanskya 1927 QD1930 DK1935 BM Alexis Hansky(Russian astronomer) main-belt(outer) background 4 September 2017 (JD 2458000.5) 0 89.83 yr (32,810 days) 3.3560 AU 3.0694 AU 3.2127 AU 0.0446 5.76 yr (2,103 days) 306.45° 0.1712 ms / day 13.952° 318.76° 335.05° 70.954 0.220 km75.495 1.037 km77.03 km (derived)77.20 1.7 km79.80 1.04 km82.14 23.50 km82.70 28.83 km90.29 0.59 km 15.61 0.01 h 0.029 0.0050.03 0.060.0358 (derived)0.04 0.020.045 0.0010.0470 0.0020.0491 0.00840.056 0.003 C 9.59.709.710 0.002 (R)9.809.99.97 1118 Hanskya (prov. designation: 1927 QD) is a large background asteroid, approximately 77 km mi off us in diameter, located in the outer regions of the asteroid belt. Discovered by Sergey Belyavsky and Nikolaj Ivanov in 1927, it was named after Russian astronomer Aleksey Hansky. The presumed dark C-type asteroid has a rotation period of 15.6 hours. Discovery Hanskya was discovered on 29 August 1927, by Russian astronomers Sergey Belyavsky and Nikolaj Ivanov at the Simeiz Observatory on the Crimean peninsula. The asteroid was independently discovered by two other prolific astronomers in the field, namely Karl Reinmuth at the German Heidelberg Observatory – who observed the body only one day later and announced it first – and by Belgian astronomer Eugène Delporte at Uccle Observatory on 17 September. Orbit and classification Hanskya is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements. It orbits the Sun in the outer asteroid belt at a distance of 3.1–3.4 AU once every 5 years and 9 months (2,103 days). Its orbit has an eccentricity of 0.04 and an inclination of 14° with respect to the ecliptic. The body's observation arc begins at Heidelberg or Simeiz one night after its official discovery observation. Naming This minor planet was named on the 25th anniversary of the death of Russian Aleksey Hansky (1870–1908), whose initiative lead to the construction of the discovering Simeiz Observatory. Physical characteristics Hanskya is an assumed carbonaceous C-type asteroid. Rotation period In October 21010, a rotational lightcurve of Hanskya was obtained from photometric observations at the Sunflower Observatory in Kansas, United States 739. Lightcurve analysis gave a rotation period of 15.61 hours with a brightness amplitude of 0.18 magnitude (U=2). More recent observations at the Palomar Transient Factory and by French amateur astronomer René Roy gave a longer period of 25.31 and 25.3481 hours and an amplitude of 0.38 and 0.25, respectively (U=2/2). Diameter and albedo According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Hanskya measures between 70.954 and 90.29 kilometers in diameter and its surface has an albedo between 0.029 and 0.056. The Collaborative Asteroid Lightcurve Link derives a low albedo of 0.0358 and a diameter of 77.03 kilometers based on an absolute magnitude of 9.8. References 30em 2017-06-28 last obs. JPL Small-Body Database Browser: 1118 Hanskya (1927 QD) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001118 Jet Propulsion Laboratory 17 August 2017 Dictionary of Minor Planet Names – (1118) Hanskya Schmadel Lutz D. Springer Berlin Heidelberg (1118) Hanskya 95 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1119 1118 Hanskya (1927 QD) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1118 29 August 2017 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 14 September 2016 Asteroids and comets rotation curves – (1118) Hanskya Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page3cou.html#001118 14 September 2016 3 December 2002 https://web.archive.org/web/20021203214643/http://obswww.unige.ch/~behrend/page3cou.html#001118 dead 1118 14 September 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 (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 35447010 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 46350317 14 September 2016 Robinson, L. E. June 2002 Lightcurve Photometry of 551 Ortrud, 1118 Hanskya, and 1916 Boreas from Sunflower Observatory http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2002MPBu...29...37R The Minor Planet Bulletin 29 37–38 2002MPBu...29...37R 14 September 2016 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 8342929 14 September 2016 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 9341381 29 August 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 Asteroid 1118 Hanskya Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1118+Hanskya 13 March 2020 Asteroid 1118 Hanskya – Proper Elements AstDyS-2, Asteroids – Dynamic Site https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=1118 13 March 2020 External links Lightcurve Database Query (LCDB), at www.minorplanet.info 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 – Geneva Observatory, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 1118 1117 Reginita 1118 1119 Euboea 001118 Category:Discoveries by Sergei Belyavsky Category:Discoveries by Nikolaj Ivanov Category:Named minor planets 19270829