1425 Tuorla

Main-belt asteroid October 2019 yes 1425 Tuorla #D6D6D6 K. Inkeri Turku Obs. 3 April 1937 (1425) Tuorla 1937 GB1950 KC1950 LQ Tuorla Observatory(Inst. for Astronomy and Optics) main-belt(middle)Eunomia 4 September 2017 (JD 2458000.5) 0 67.14 yr (24,522 days) 2.8766 AU 2.3483 AU 2.6125 AU 0.1011 4.22 yr (1,542 days) 40.218° 0.2334 ms / day 12.975° 185.99° 342.25° 11.795 0.874 km14.34 1.08 km14.94 1.1 km 6.76 0.01 hlcdb-Garceran-20136.97 0.01 h7.748 0.0027 h7.75 0.06 h 0.2389 (derived)0.2390 0.0400.260 0.0410.383 0.083 S 11.173 0.003 (R)11.3011.411.91 0.41 1425 Tuorla, provisional designation 1937 GB, is a stony Eunomian asteroid from the central regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 3 April 1937, by Finnish astronomer Kustaa Inkeri at the Iso-Heikkilä Observatory in Turku, southwestern Finland. The asteroid was named after the Tuorla Observatory of the University of Turku. It was Kustaa Inkeri's only asteroid discovery. Orbit and classification Tuorla is a member of the Eunomia family (502), a prominent family of stony asteroids and the largest one in the intermediate main belt with more than 5,000 members.23 It orbits the Sun at a distance of 2.3–2.9 AU once every 4 years and 3 months (1,542 days). Its orbit has an eccentricity of 0.10 and an inclination of 13° with respect to the ecliptic. The body's observation arc begins at Turku, the night before its official discovery observation. Physical characteristics Tuorla has been characterized as a stony S-type asteroid by Pan-STARRS photometric survey, in accordance with the overall spectral type for members of the Eunomia family.23 Rotation period In April 2013, the so-far best-rated a rotational lightcurve of Tuorla was obtained from photometric observations by astronomer Vladimir Benishek at Belgrade Observatory in Serbia. Lightcurve analysis gave a well-defined rotation period of 7.75 hours (h) with a brightness variation of 0.24 magnitude (U=3). Other lightcurves were obtained by Alfonso Carreno Garceran (6.76 h),lcdb-Garceran-2013 Laurent Bernasconi (7.75 h), and the Palomar Transient Factory (7.748 h), 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, Tuorla measures between 11.795 and 14.94 kilometers in diameter and its surface has an albedo between 0.2390 and 0.383. The Collaborative Asteroid Lightcurve Link derives an albedo of 0.2389 and adopts a diameter of 14.94 kilometers from IRAS, based on an absolute magnitude of 11.3. Naming This minor planet was named after the Tuorla Observatory, the Research Institute for Astronomy and Optics, of the University of Turku, located in Piikkiö near Turku, Finland. The Tuorla Observatory was established by prolific minor-planet discoverer Yrjö Väisälä in 1952, as an alternative to the Iso-Heikkilä Observatory, where this asteroid was discovered. The official 1425 naming citation was published by the Minor Planet Center on 30 January 1964 (M.P.C. 2277). Notes lcdb-Garceran-2013 Garceran (2013) web: rotation period hours with a brightness amplitude of mag. Summary figures for (1425) Tuorla at LCDB References 30em 2017-07-05 last obs. JPL Small-Body Database Browser: 1425 Tuorla (1937 GB) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001425 https://web.archive.org/web/20200918015351/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001425 dead 18 September 2020 Jet Propulsion Laboratory 26 October 2017 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg 114 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1426 (1425) Tuorla 1425 Tuorla (1937 GB) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1425 26 October 2017 Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008) 2009 https://archive.org/details/dictionaryminorp2008schm registration Appendix – Publication Dates of the MPCs Schmadel Lutz D. Springer Berlin Heidelberg 221 978-3-642-01964-7 10.1007/978-3-642-01965-4 Minor Planet Discoverers (by number) Minor Planet Center https://www.minorplanetcenter.net/iau/lists/MPDiscsNum.html 5 October 2017 26 October 2017 Asteroids and comets rotation curves – (1425) Tuorla Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page4cou.html#001425 26 October 2017 3 August 2003 https://web.archive.org/web/20030803183423/http://obswww.unige.ch/~behrend/page4cou.html#001425 dead Asteroid 1425 Tuorla – Nesvorny HCM Asteroid Families V3.0 Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1425+Tuorla#Asteroid%201425%20TuorlaEAR-A-VARGBDET-5-NESVORNYFAM-V3.0 26 October 2019 October 2026 InternetArchiveBot D. Nesvorný M. Broz V. Carruba December 2014 Identification and Dynamical Properties of Asteroid Families Asteroids IV 297–321 2015aste.book..297N 10.2458/azu_uapress_9780816532131-ch016 1502.01628 9780816532131 1425 26 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 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 26 October 2017 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) 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 – IRAS-A-FPA-3-RDR-IMPS-V6.0 2004PDSS...12.....T 17 October 2019 Benishek, Vladimir April 2014 Rotation Period Determination for 1425 Tuorla, 1468 Zomba, 1486 Marilyn, 2112 Ulyanov, and (101158) 2000 OL http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014MPBu...41..126B The Minor Planet Bulletin 41 2 126–127 1052-8091 2014MPBu...41..126B 26 October 2017 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 26 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 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 26 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 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 1425 1424 Sundmania 1425 1426 Riviera 001425 Category:Named minor planets 19370403