1158 Luda

Main-belt asteroid July 2020 yes 1158 Luda #D6D6D6 31 August 1929 G. Neujmin Simeiz Obs. (1158) Luda 1929 QF1954 UQ 11958 TG 11972 GC Ludmilla Neujmin(discoverer's sister) main-beltMariaEunomia 16 February 2017 (JD 2457800.5) 0 87.27 yr (31,876 days) 2.8532 AU 2.2742 AU 2.5637 AU 0.1129 4.11 yr (1,499 days) 56.051° 0.2401 ms / day 14.834° 344.74° 56.226° 18.636 0.207 km18.70 0.48 km19.06 0.8 km (IRAS:8)20.596 0.130 km 6.86 0.01 h6.863 0.005 h6.870 0.005 h6.90 0.01 h7.44 h 0.2025 0.05480.221 0.0340.2329 0.022 (IRAS:8)0.253 0.015 S 10.810.95 0.33 1158 Luda, provisional designation 1929 QF, is a stony asteroid from the middle regions of the asteroid belt, approximately 19 kilometers in diameter. It was discovered on 31 August 1929, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula. It was named after Ludmilla Neujmin, the sister of the discoverer. Orbit and classification Luda orbits the Sun at a distance of 2.3–2.9 AU once every 4 years and 1 month (1,499 days). Its orbit has an eccentricity of 0.11 and an inclination of 15° with respect to the ecliptic. The body's observation arc begins with its first used observation at Johannesburg Observatory, one month after its official discovery observation at Simeiz. Luda is a stony S-type asteroid. Based on its orbital elements, Luda is a member of the Eunomia family, a large group of stony asteroids and the most prominent family in the intermediate main-belt, while Argentine astronomer Alvarez-Candal from the Universidad Nacional de Córdoba groups it into the smaller Maria family, which is named after 170 Maria (the same discrepancy exists for 9175 Graun and 2429 Schürer).389 Physical characteristics Photometry Several rotational lightcurves of Luda were obtained from photometric observations. Analysis of the best-rated lightcurves obtained by French amateur astronomer Laurent Bernasconi, American astronomer Brian Warner, and an international group led by Korean astronomers, gave a well-defined rotation period between 6.86 and 6.87 hours with a brightness variation between 0.13 and 0.22 magnitude (U=3/3-/3). Photometric observations also gave a period of 6.9 and 7.44 hours, but these were derived from a fragmentary and ambiguous light curve, respectively.(U=1/2). 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, Luda measures between 18.63 and 20.59 kilometers in diameter and its surface has an albedo between 0.20 and 0.25. The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.232 and a diameter of 19.06 kilometers with an absolute magnitude of 10.8. Naming This minor planet was named for Ludmilla Neujmin, the sister of the discoverer. "Luda" is a diminutive of Ludmilla. Astronomer Lutz Schmadel, who compiled this naming citation, based it on a private communication with "N. S. Samojlova-Yakhontova", as neither the Minor Planet Circulars nor The Names of the Minor Planets give any information about this asteroid's name. References 30em 2017-01-07 last obs. JPL Small-Body Database Browser: 1158 Luda (1929 QF) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001158 Jet Propulsion Laboratory 25 January 2017 Dictionary of Minor Planet Names – (1158) Luda Schmadel Lutz D. Springer Berlin Heidelberg 98 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1159 (1158) Luda Dictionary of Minor Planet Names – Introduction, Source of Information Schmadel Lutz D. Springer Berlin Heidelberg 16 1997 https://books.google.com/books?id=eHv1CAAAQBAJ&pg=PA16 978-3-662-06617-1 1158 Luda (1929 QF) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1158 25 January 2017 Asteroids and comets rotation curves – (1158) Luda Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page3cou.html#001158 25 January 2017 3 December 2002 https://web.archive.org/web/20021203214643/http://obswww.unige.ch/~behrend/page3cou.html#001158 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 119293330 25 January 2017 1158 25 January 2017 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 118700974 Warner, Brian D. September 2005 Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005 http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2005MPBu...32...54W The Minor Planet Bulletin 32 3 54–58 1052-8091 2005MPBu...32...54W 25 January 2017 Alvaro Alvarez-Candal René Duffard Cláudia A. Angeli Daniela Lazzaro Silvia Fernández December 2004 Rotational lightcurves of asteroids belonging to families https://www.researchgate.net/publication/221956231 Icarus 172 2 388–401 2004Icar..172..388A 10.1016/j.icarus.2004.06.008 25 January 2017 Warner, Brian D. January 2011 Upon Further Review: III. An Examination of Previous Lightcurve Analysis from the Palmer Divide Observatory http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011MPBu...38...21W The Minor Planet Bulletin 38 1 21–23 1052-8091 2011MPBu...38...21W 25 January 2017 6 M.-J. Kim Y.-J. Choi H.-K. Moon Y.-I. Byun N. Brosch M. Kaplan S. Kaynar Ö Uysal E. Güzel R. Behrend J.-N. Yoon S. Mottola S. Hellmich T. C. Hinse Z. Eker J.-H. Park March 2014 Rotational Properties of the Maria Asteroid Family http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014AJ....147...56K The Astronomical Journal 147 3 15 2014AJ....147...56K 10.1088/0004-6256/147/3/56 1311.5318 119256964 25 January 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 53493339 25 January 2017 External links Lightcurve plot of 1158 Luda, Palmer Divide Observatory, B. D. Warner (1999) 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 1158 1157 Arabia 1158 1159 Granada 001158 001158 Category:Discoveries by Grigory Neujmin Category:Named minor planets 001158 19290831