1469 Linzia

Main-belt asteroid October 2019 yes 1469 Linzia #D6D6D6 K. Reinmuth Heidelberg Obs. 19 August 1938 (1469) Linzia 1938 QD1931 JD1933 SM 11936 FC 11949 OP 11955 ST1955 UBA916 QD ' l I n t s i @ Linz (Austrian city) main-belt(outer)background 4 September 2017 (JD 2458000.5) 0 86.40 yr (31,556 days) 3.3312 AU 2.9148 AU 3.1230 AU 0.0667 5.52 yr (2,016 days) 52.444° 0.1786 ms / day 13.398° 188.96° 207.33° 54.30 16.67 km58.78 km (derived)58.99 2.5 km59.021 0.518 km66.05 21.19 km67.66 0.80 km74.78 0.36 km 6.067 h (poor)12 h (poor)15.2 0.2 h22.215 0.004 h 0.038 0.0060.056 0.0020.0561 (derived)0.06 0.040.0733 0.01230.0734 0.007 PC (assumed) 9.10 0.839.609.809.99.94 1469 Linzia, provisional designation 1938 QD, is a dark asteroid from the outer regions of the asteroid belt, approximately 60 kilometers in diameter. Discovered by Karl Reinmuth at Heidelberg Observatory in 1938, the asteroid was later named after the Austrian city of Linz. Discovery Linzia was discovered on 19 August 1938, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. Twelve nights later, the asteroid was independently discovered by Soviet astronomer Grigory Neujmin at the Simeiz Observatory, Crimea, on 31 August 1938. The Minor Planet Center only recognizes the first discoverer. The asteroid was first identified as A916 QD at Simeiz in August 1916, or 22 years prior to its official discovery. Orbit and classification Linzia is a non-family asteroid from the main belt's background population. It orbits the Sun in the outer asteroid belt at a distance of 2.9–3.3 AU once every 5 years and 6 months (2,016 days). Its orbit has an eccentricity of 0.07 and an inclination of 13° with respect to the ecliptic. The body's observation arc begins at the discovering Heidelberg Observatory in May 1931, when it was identified as 1931 JD. Physical characteristics Linzia has been characterized as a dark and primitive P-type asteroid by the Wide-field Infrared Survey Explorer (WISE), while the Lightcurve Data Base assumes it to be a carbonaceous C-type asteroid. Rotation period In September 2010, a rotational lightcurve of Linzia was obtained from photometric observations by Robert Stephens in collaboration with Vladimir Benishek. Lightcurve analysis gave a slightly longer-than average rotation period of 22.215 hours with a brightness amplitude of 0.09 magnitude (U=3). Other lightcurves which measured a period of 6.067, 12 and 15.2 hours, received a lower quality rating (U=1/1/2-). 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 WISE telescope, Linzia measures between 54.30 and 74.78 kilometers in diameter and its surface has an albedo between 0.038 and 0.0734. The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0561 and a diameter of 58.78 kilometers based on an absolute magnitude of 9.9. Naming This minor planet was named in honor of the Austrian city of Linz, located on the Danube river. The name was proposed by A. Wersig (RI 2319), and the official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 132). References 30em 2017-10-01 last obs. JPL Small-Body Database Browser: 1469 Linzia (1938 QD) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001469 https://web.archive.org/web/20200918014047/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001469 dead 18 September 2020 Jet Propulsion Laboratory 20 October 2017 Dictionary of Minor Planet Names – (1469) Linzia Schmadel Lutz D. Springer Berlin Heidelberg 117 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1470 (1469) Linzia 1469 Linzia (1938 QD) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1469 20 October 2017 Asteroids and comets rotation curves – (1469) Linzia Behrend Raoul Geneva Observatory https://obswww.unige.ch/~behrend/page4cou.html#001469 20 October 2017 October 2026 InternetArchiveBot Asteroid 1469 Linzia – Proper Elements AstDyS-2, Asteroids – Dynamic Site https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=1469 29 October 2019 1469 20 October 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 https://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 20 October 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 https://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 20 October 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) 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 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 C. Blanco M. Di Martino D. Riccioli April 2000 New rotational periods of 18 asteroids http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2000P&SS...48..271B Planetary and Space Science 48 4 271–284 2000P&SS...48..271B 10.1016/S0032-0633(99)00074-4 20 October 2017 Robert D. Stephens Vladimir Benishek January 2011 Lightcurve Analysis of 1469 Linzia https://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011MPBu...38...31S The Minor Planet Bulletin 38 1 31–32 1052-8091 2011MPBu...38...31S 20 October 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 https://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 20 October 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 – Observatoire de Genève, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 1469 1468 Zomba 1469 1470 Carla 001469 Category:Discoveries by Karl Wilhelm Reinmuth Category:Named minor planets 19380819