1289 Kutaïssi

Stony Koronian asteroid October 2019 yes 1289 Kutaïssi #D6D6D6 001289-asteroid shape model (1289) Kutaïssi.png Modelled shape of Kutaïssi from its lightcurve 19 August 1933 G. Neujmin Simeiz Obs. (1289) Kutaïssi 1933 QR1928 QD1948 TJ 21953 TO 2A893 GAA919 UC Kutaisi (city in Georgia) main-beltKoronis 16 February 2017 (JD 2457800.5) 0 88.24 yr (32,228 days) 3.0411 AU 2.6783 AU 2.8597 AU 0.0634 4.84 yr (1,766 days) 113.61° 0.2038 ms / day 1.6165° 193.19° 117.39° 19.20 0.45 km21.531 0.269 km22.610 0.158 km22.97 0.56 km25.53 km (derived)25.62 1.8 km (IRAS:4) 3.60 h 0.1216 (derived)0.1374 0.021 (IRAS:4)0.1567 0.03710.172 0.0090.245 0.023 Tholen S B–V 0.800 U–B 0.380 10.70 0.03 (R)10.7310.87 1289 Kutaïssi (prov. designation: 1933 QR) is a stony Koronian asteroid from the outer region of the asteroid belt. Discovered by Grigory Neujmin at Simeiz Observatory in 1933, it was later named after the Georgian city of Kutaisi. The S-type asteroid has a rotation period of 3.6 hours and measures approximately 22 km mi off 2 us in diameter. Discovery Kutaïssi was discovered on 19 August 1933, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula. It was independently discovered a few days later by Eugène Delporte at the Belgian Uccle Observatory on 25 August, as well as by Cyril Jackson at the South African Johannesburg Observatory on 11 September 1933. It was first observed as A893 GA at Heidelberg in 1893. The body's observation arc begins with its observation as 1928 QD at Simeiz in 1928, or 5 years prior to its official discovery observation. Orbit and classification Kutaïssi is a stony member of the Koronis family, a group consisting of about 200 known bodies, thought to have been formed at least two billion years ago in a catastrophic collision between two larger bodies. It orbits the Sun in the outer main-belt at a distance of 2.7–3.0 AU once every 4 years and 10 months (1,766 days). Its orbit has an eccentricity of 0.06 and an inclination of 2° with respect to the ecliptic. Naming This minor planet was named after the city of Kutaisi, now the legislative capital of Georgia, and its second largest city, after the capital Tbilisi. The official naming citation was first mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 118). Physical characteristics Kutaïssi is a common stony S-type asteroid in the Tholen classification. Rotation period The first rotational light curve of Kutaïssi was obtained from photometric observations by American astronomer Richard Binzel in February 1984. It gave a rotation period of 3.60 hours with a brightness variation of 0.40 magnitude (U=3). In 1987 and 2004, a group of American astronomers obtained concurring light curves with a period of 3.624 0.001 and 3.624 0.006 hours and an amplitude of 0.30 and 0.42 magnitude, respectively (U=2/3). Diameter and albedo According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kutaïssi measures between 19.20 and 25.62 kilometers in diameter, and its surface has an albedo between 0.1374 and 0.245. The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1216 and a diameter of 25.53 kilometers based on an absolute magnitude of 10.87. References 30em 2016-11-10 last obs. JPL Small-Body Database Browser: 1289 Kutaissi (1933 QR) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001289 Jet Propulsion Laboratory 20 January 2017 Dictionary of Minor Planet Names https://archive.org/details/dictionaryminorp00schm limited Schmadel Lutz D. Springer Berlin Heidelberg (1289) Kutaïssi 106 2007 978-3-540-00238-3 10.1007/978-3-540-29925-7_1290 1289 Kutaissi (1933 QR) Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=1289 20 January 2017 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 http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M The Astrophysical Journal 791 2 11 2014ApJ...791..121M 10.1088/0004-637X/791/2/121 1406.6645 20 January 2017 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 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) 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 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 20 January 2017 1289 20 January 2017 Binzel, R. P. October 1987 A photoelectric survey of 130 asteroids Icarus 72 1 135–208 0019-1035 1987Icar...72..135B 10.1016/0019-1035(87)90125-4 Ditteon R. September 2002 Asteroid Photometry at Oakley Observatory Minor Planet Bulletin http://www.minorplanet.info/MPB/issues/MPB_29-1.pdf 29 1 55 2002MPBu...29...55D 16 March 2020 4 October 2021 https://web.archive.org/web/20211004052909/http://www.minorplanet.info/MPB/issues/MPB_29-1.pdf dead 6 Stephen M. Slivan Richard P. Binzel Mikko Kaasalainen Andrew N. Hock Alison J. Klesman Laura J. Eckelman Robert D. Stephens April 2009 Spin vectors in the Koronis family. II. Additional clustered spins, and one stray Icarus 200 2 514–530 2009Icar..200..514S 10.1016/j.icarus.2008.11.025 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 1289 1288 Santa 1289 1290 Albertine 001289 Category:Discoveries by Grigory Neujmin Category:Named minor planets 001289 19330819