1563 Noël

Main-belt asteroid October 2019 yes 1563 Noël #D6D6D6 7 March 1943 S. Arend Uccle Obs. (1563) Noël 1943 EG1930 EF Emanuel Arend(discoverer's son) main-beltFlora 4 September 2017 (JD 2458000.5) 0 87.06 yr (31,799 days) 2.3789 AU 2.0037 AU 2.1913 AU 0.0856 3.24 yr (1,185 days) 347.57° 0.3038 ms / day 5.9829° 53.649° 116.41° 7.23 0.51 km8.98 km (calculated) 3.5483 0.0003 hlcdb-Pravec3.5486 0.0002 hlcdb-Pravec3.5488 0.0001 hlcdb-Pravec3.5495 0.0001 hlcdb-Pravec3.550 0.002 h 0.24 (assumed)0.370 0.051 SMASS = SaS 12.4 1563 Noël (provisional designation 1943 EG) is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 7 March 1943, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle, and named after his son. Orbit and classification Noël is a member of the Flora family, one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.0–2.4 AU once every 3 years and 3 months (1,185 days). Its orbit has an eccentricity of 0.09 and an inclination of 6° with respect to the ecliptic. Noël was first identified as 1930 EF at the Crimean Simeiz Observatory in 1930, extending its observation arc by 13 years prior to its official discovery observation. Physical characteristics The S-type asteroid is characterized as a transitional Sa-subtype on the SMASS taxonomic scheme. Rotation period Between April 2008 and June 2015, five rotational lightcurves of Noël were obtained from photometric observations by Czech astronomer Petr Pravec at the Ondřejov Observatory near Prague. All lightcurves show a well-defined rotation period between 3.548 and 3.550 hours with a brightness variation of 0.15 to 0.18 in magnitude (U=3).lcdb-Pravec In April 2008, a photometric observation by astronomer Julian Oey at the Kingsgrove Observatory, Australia, gave a concurring period of 3.550 0.002 hours and an amplitude of 0.14 (U=3). Diameter and albedo According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Noël measures 7.2 kilometers in diameter and its surface has a high albedo of 0.37, while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the family's principal body and namesake – and calculates a larger diameter of 9.0 kilometers. Naming This minor planet was named in honor of the discoverer's son, Emanuel Arend (H 138). Notes lcdb-Pravec Pravec (2008, 2011, 2013, 2015) web: rotation period of 3.5495 0.0001, 3.5483 0.0003, 3.5488 0.0001 and 3.5486 0.0002 hours with a brightness amplitude of 0.15 mag. Summary figures at http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1563%7CNoel Collaborative Asteroid Lightcurve Link (CALL) for (1563) Noel and http://www.asu.cas.cz/~ppravec/neo.htm Pravec, P.; Wolf, M.; Sarounova, L. (2011, 2013, 2015) References 30em 2017-03-29 last obs. JPL Small-Body Database Browser: 1563 Noel (1943 EG) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001563 Jet Propulsion Laboratory 5 June 2017 Dictionary of Minor Planet Names – (1563) Noël Schmadel Lutz D. Springer Berlin Heidelberg 124 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1564 (1563) Noël 1563 Noel (1943 EG) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1563 19 April 2016 1563 18 May 2016 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 The Astrophysical Journal Letters 759 1 5 2012ApJ...759L...8M 10.1088/2041-8205/759/1/L8 1209.5794 Oey, Julian January 2009 Lightcurve Analysis of Asteroids from Leura and Kingsgrove Observatories in the First Half of 2008 The Minor Planet Bulletin 36 1 4–6 1052-8091 2009MPBu...36....4O 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/20241208174218/http://obswww.unige.ch/~behrend/page_cou.html 8 December 2024 – Observatoire de Genève, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 1563 1562 Gondolatsch 1563 1564 Srbija 001563 Category:Discoveries by Sylvain Arend Category:Named minor planets 001563 19430307