1533 Saimaa

Main-belt asteroid October 2019 yes 1533 Saimaa #D6D6D6 001533-asteroid shape model (1533) Saimaa.png Shape model of Saimaa derived from its lightcurve Y. Väisälä Turku Obs. 19 January 1939 (1533) Saimaa 1939 BD1934 FA1936 QC1936 RP Saimaa (Finnish lake) main-belt(outer)Eos 4 September 2017 (JD 2458000.5) 0 80.71 yr (29,480 days) 3.1226 AU 2.8990 AU 3.0108 AU 0.0371 5.22 yr (1,908 days) 346.96° 0.1887 ms / day 10.710° 156.74° 10.478° 24.298 0.279 km26.13 1.5 km26.16 km (derived)27.88 1.68 km 7.08 h7.1181 0.0002 h 0.107 0.0140.1216 0.0160.1270 (derived)0.141 0.0250.165 0.034 Tholen SB–V 0.790U–B 0.450 10.7710.77 0.2610.82 1533 Saimaa (provisional designation 1939 BD) is a stony Eos asteroid from the outer regions of the asteroid belt, approximately 26 kilometers in diameter. It was discovered on 19 January 1939, by astronomer Yrjö Väisälä at the Iso-Heikkilä Observatory near Turku, Finland. The asteroid was named after lake Saimaa in Finland. Orbit and classification Saimaa is a member the Eos family (606), the largest asteroid family of the outer main belt consisting of nearly 10,000 asteroids.23 It orbits the Sun at a distance of 2.9–3.1 AU once every 5 years and 3 months (1,908 days). Its orbit has an eccentricity of 0.04 and an inclination of 11° with respect to the ecliptic. The asteroid was first identified as 1934 FA at Uccle Observatory in March 1934. The body's observation arc begins with its identification as 1936 QC at Heidelberg Observatory in August 1936, more than 2 years prior to its official discovery observation at Turku. Physical characteristics In the Tholen classification, Saimaa is a common stony S-type asteroid. The overall spectral type for members of the Eos family is that of a K-type.23 Rotation period In September 1983, a first rotational lightcurve of Saimaa was obtained from photometric observations by American astronomer Richard Binzel at CTIO and McDonald Observatory. Lightcurve analysis gave a well-defined rotation period of 7.08 hours with a brightness variation of 0.18 magnitude (U=3). In February 2007, another lightcurve obtained by French amateur astronomer René Roy gave a concurring period of 7.1181 hours and an amplitude of 0.26 magnitude (U=3). 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, Saimaa measures between 22.40 and 27.88 kilometers in diameter and its surface has an albedo between 0.107 and 0.165. The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1270 and a diameter of 26.16 kilometers based on an absolute magnitude of 10.77. Naming This minor planet was named after lake Saimaa in southeastern Finland. With an overall area of 4400 km2, it is the country's largest lake and one of the largest lakes in Europe. The official 1533 naming citation was published by the Minor Planet Center on 20 February 1976 (M.P.C. 3929). References 30em 2017-05-04 last obs. JPL Small-Body Database Browser: 1533 Saimaa (1939 BD) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001533 Jet Propulsion Laboratory 9 October 2017 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg 121 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1534 (1533) Saimaa 1533 Saimaa (1939 BD) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1533 9 October 2017 Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008) Appendix – Publication Dates of the MPCs Schmadel Lutz D. 2009 Springer Berlin Heidelberg 221 978-3-642-01964-7 10.1007/978-3-642-01965-4 Asteroids and comets rotation curves – (1533) Saimaa Behrend Raoul Geneva Observatory http://obswww.unige.ch/~behrend/page4cou.html#001533 9 October 2017 1 April 2019 https://web.archive.org/web/20190401181659/http://obswww.unige.ch/~behrend/page4cou.html#001533 dead Asteroid 1533 Saimaa – Nesvorny HCM Asteroid Families V3.0 Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1533+Saimaa#Asteroid%201533%20SaimaaEAR-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 1533 9 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 9 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 (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 Binzel, R. P. October 1987 A photoelectric survey of 130 asteroids http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=1987Icar...72..135B Icarus 72 1 135–208 0019-1035 1987Icar...72..135B 10.1016/0019-1035(87)90125-4 9 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 9 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 1533 1532 Inari 1533 1534 Näsi 001533 Category:Discoveries by Yrjö Väisälä Category:Named minor planets 001533 19390119