1608 Muñoz

Flora asteroid from the inner regions of the asteroid belt February 2019 yes 1608 Muñoz #D6D6D6 M. Itzigsohn La Plata Obs. 1 September 1951 (1608) Muñoz 1951 RZ1951 RK 11961 UD1974 HH 1 1608 F. A. Muñoz(Argentine astronomer) main-belt(inner)Flora 27 April 2019 (JD 2458600.5) 0 69.29 yr (25,309 d) 2.5892 AU 1.8381 AU 2.2137 AU 0.1697 3.29 yr (1,203 d) 212.24° 0.2993 ms / day 3.9436° 356.96° 316.47° 6.15 0.47 km6.529 0.583 km6.711 0.571 km 5.3456 0.0007 hlcdb-Pravec-2017 0.26540.3230.403 S (assumed) 12.6012.712.90 1608 Muñoz, provisional designation 1951 RZ, is a Flora asteroid from the inner regions of the asteroid belt, approximately 6.5 km mi off 1 us in diameter. It was discovered on 1 September 1951, by Argentine astronomer Miguel Itzigsohn at the La Plata Astronomical Observatory, in La Plata, Argentina. The S-type asteroid has a rotation period of 5.3 hours. It was named after 1608 F. A. Muñoz, one of the assistant astronomers at the discovering observatory. Orbit and classification Muñoz is a member of the Flora family (402), a giant asteroid clan and the largest family of stony asteroids in the main-belt. It orbits the Sun in the inner asteroid belt at a distance of 1.8–2.6 AU once every 3 years and 3 months (1,203 days; semi-major axis of 2.21 AU). Its orbit has an eccentricity of 0.17 and an inclination of 4° with respect to the ecliptic. It was first imaged on a precovery taken at the Lowell Observatory in November 1948, extending the body's observation arc by 3 years prior to its official discovery observation. Naming This minor planet was named in memory of 1608 F. A. Muñoz, who was an assistant at the La Plata Observatory in the department of extra-meridian astronomy. Muñoz was involved in computational and observational work on minor planets for many years and also took an active part in site testing for the Argentine telescope, also known as the 85-inch or 2.15-meter Jorge Sahade Telescope (also see Leoncito Astronomical Complex Telescopes). The official naming citation was published by the Minor Planet Center on 1 August 1980 (M.P.C. 5449). Physical characteristics Being a Florian asteroid, Muñoz is likely a stony, relatively bright S-type asteroid. Rotation period Muñoz is a target of the Photometric Survey for Asynchronous Binary Asteroids (BinAstPhot Survey) led by astronomer Petr Pravec at the Ondřejov Observatory in the Czech Republic. In September 2017, two rotational lightcurves were obtained from photometric observations by Pravec in collaboration with Serbian astronomer Vladimir Benishek at Belgrade Observatory, who observed the asteroid over three subsequent nights at Sopot Astronomical Observatory K90. Analysis of the bimodal lightcurve gave a well-defined, nearly identical rotation period of 5.3451 0.0008 and 5.3456 0.0007 hours, respectively, with a brightness amplitude of 0.36 magnitude (U=3).lcdb-Pravec-2017 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, Muñoz measures between 6.15 and 7.8 kilometers in diameter and its surface has an albedo between 0.265 and 0.40. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the principal body of the Flora family – and calculates a diameter of 7.82 kilometers based on an absolute magnitude of 12.7. Notes lcdb-Pravec-2017 Pravec (2017) web: lightcurve plot of (1608) Muñoz, rotation period 5.3456 0.0007 hours with a brightness amplitude of 0.36 mag. Quality code is 3. Summary figures at the LCDB and Ondrejov NEO Photometric Program and collaborating projects. References 2018-02-18 last obs. JPL Small-Body Database Browser: 1608 Munoz (1951 RZ) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001608 Jet Propulsion Laboratory 8 February 2019 Schmadel Lutz D. Dictionary of Minor Planet Names Springer Berlin Heidelberg (1608) Muñoz 127 2007 978-3-540-29925-7 10.1007/978-3-540-29925-7_1609 1608 Munoz (1951 RZ) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1608 8 February 2019 MPC/MPO/MPS Archive Minor Planet Center https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html 8 February 2019 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 46350317 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 Asteroid 1608 Munoz Small Bodies Data Ferret https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1608+Munoz 8 February 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 119280014 1608 8 February 2019 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 118700974 (catalog) 6 A. K. Mainzer J. M. Bauer R. M. Cutri T. Grav E. A. Kramer J. R. Masiero C. R. Nugent S. M. Sonnett R. A. Stevenson E. L. Wright June 2016 NEOWISE Diameters and Albedos V1.0 https://sbnarchive.psi.edu/pds3/non_mission/EAR_A_COMPIL_5_NEOWISEDIAM_V1_0/data/neowise_mainbelt.tab NASA Planetary Data System EAR-A-COMPIL-5-NEOWISEDIAM-V1.0 2016PDSS..247.....M 8 February 2019 Benishek, Vladimir January 2018 Lightcurve and Rotation Period Determinations for 29 Asteroids The Minor Planet Bulletin 45 1 82–91 1052-8091 2018MPBu...45...82B 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 1608 1607 Mavis 1608 1609 Brenda 001608 Category:Discoveries by Miguel Itzigsohn Category:Named minor planets 19510901