1119 Euboea

Background asteroid October 2019 yes 1119 Euboea #D6D6D6 001119-asteroid shape model (1119) Euboea.png Shape model of Euboea from its lightcurve K. Reinmuth Heidelberg Obs. 27 October 1927 (1119) Euboea 1927 UB j uː ˈ b iː ə Euboea (Greek island) main-belt(middle) background 4 September 2017 (JD 2458000.5) 0 90.10 yr (32,908 days) 3.0172 AU 2.2036 AU 2.6104 AU 0.1558 4.22 yr (1,540 days) 190.40° 0.2337 ms / day 7.8583° 57.381° 230.16° 18.37 4.84 km25.10 8.95 km29.443 0.279 km31.46 km (derived)31.881 0.199 km31.90 0.38 km 11.396 0.001 h11.3981 0.0005 h11.39823 0.00001 h11.41 0.01 h 0.0539 (derived)0.0576 0.00810.058 0.0020.09 0.060.15 0.070.213 0.044 S (assumed) 11.2011.3011.32 1119 Euboea (j uː ˈ b iː ə; prov. designation: 1927 UB) is a background asteroid from the central region of the asteroid belt. It was discovered on 27 October 1927, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid has a rotation period of 11.4 hours and measures approximately 30 km mi off us in diameter. It was named for the Greek island of Euboea. Orbit and classification Euboea 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 central asteroid belt at a distance of 2.2–3.0 AU once every 4 years and 3 months (1,540 days; semi-major axis of 2.61 AU). Its orbit has an eccentricity of 0.16 and an inclination of 8° with respect to the ecliptic. The body's observation arc begins with a recovered observation from the Lowell Observatory in April 1930, more than 2 years after to its official discovery observation. Naming This minor planet was named after Euboea, also known as "Negropont", the largest island of Greece in the Aegean Sea. The 1119 naming was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 105). Physical characteristics Euboea is an assumed stony S-type asteroid. Rotation period and poles In October 2007, a first rotational lightcurve of Euboea was obtained from photometric observations by astronomers at the Oakley Southern Sky Observatory in Australia. Lightcurve analysis gave a rotation period of 11.41 hours with a brightness variation of 0.50 magnitude (U=3). In April 2010, a similar period of 11.396 hours and an amplitude of 0.46 magnitude was measured by French amateur astronomer Pierre Antonini (U=3). In 2016, two modeled lightcurves were published using photometric data from the Lowell Photometric Database and other sources. They gave a concurring sidereal period of 11.3981 and 11.39823 hours, respectively. Each study also determined two respective spin axes of (79.0°, 75.0°) and (282.0°, 55.0°), and (71.0°, 61.0°) and (280.0°, 54.0°) in ecliptic coordinates (λ, β). 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, Euboea measures between 18.37 and 31.90 kilometers in diameter and its surface has an albedo between 0.0576 and 0.213. The Collaborative Asteroid Lightcurve Link derives a low albedo of 0.0539 – typical for carbonaceous C-type asteroids – and a diameter of 31.46 kilometers based on an absolute magnitude of 11.3. References 30em 2017-12-01 last obs. JPL Small-Body Database Browser: 1119 Euboea (1927 UB) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001119 Jet Propulsion Laboratory 25 January 2018 Dictionary of Minor Planet Names Schmadel Lutz D. Springer Berlin Heidelberg (1119) Euboea 95 2007 10.1007/978-3-540-29925-7_1120 978-3-540-00238-3 1119 Euboea (1927 UB) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1119 25 January 2018 Asteroids and comets rotation curves – (1119) Euboea Behrend Raoul Geneva Observatory https://obswww.unige.ch/~behrend/page3cou.html#001119 25 January 2018 https://web.archive.org/web/20200123022615/https://obswww.unige.ch/~behrend/page3cou.html#001119 23 January 2020 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 The Astrophysical Journal 791 2 11 2014ApJ...791..121M 10.1088/0004-637X/791/2/121 1406.6645 119293330 1119 25 January 2018 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 free (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 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 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 The Astrophysical Journal 814 2 13 2015ApJ...814..117N 10.1088/0004-637X/814/2/117 1509.02522 9341381 Torno Steven Oliver Robert Lemke Ditteon Richard June 2008 Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory - October 2007 Minor Planet Bulletin http://www.minorplanet.info/MPB/issues/MPB_35-2.pdf 35 2 54–55 2008MPBu...35...54T 1052-8091 6 Hanuš J. Ďurech J. Oszkiewicz D. A. Behrend R. Carry B. Delbo M. Adam O. Afonina V. Anquetin R. Antonini P. Arnold L. Audejean M. Aurard P. Bachschmidt M. Baduel B. Barbotin E. Barroy P. Baudouin P. Berard L. Berger N. Bernasconi L. 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Vanco March 2016 Asteroid models from the Lowell photometric database Astronomy and Astrophysics 587 6 2016A&A...587A..48D 10.1051/0004-6361/201527573 1601.02909 118427201 Asteroid 1119 Euboea Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1119+Euboea 13 March 2020 https://web.archive.org/web/20200819124336/https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1119+Euboea 19 August 2020 dead Asteroid 1119 Euboea – Proper Elements AstDyS-2, Asteroids – Dynamic Site https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=1119 28 October 2019 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 1119 1118 Hanskya 1119 1120 Cannonia 001119 Category:Discoveries by Karl Wilhelm Reinmuth Category:Named minor planets 19271027