• Source: 1600 Vyssotsky

1600 Vyssotsky, provisional designation 1947 UC, is a rare-type Hungaria asteroid and suspected interloper from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 22 October 1947, by American astronomer Carl Wirtanen at Lick Observatory in California, United States. It was named after astronomer Alexander Vyssotsky.




Classification and orbit


Vyssotsky is a rare A-type asteroid. Based on its orbital characteristics, it is member of the Hungaria family, that form the last, innermost dense concentration of asteroids in the Solar System. However, due to its rare type, it is a suspected interloper, as Hungarias typically show a different E-type spectra. It orbits the Sun in the inner main-belt at a distance of 1.8–1.9 AU once every 2 years and 6 months (918 days). Its orbit has an eccentricity of 0.04 and an inclination of 21° with respect to the ecliptic. Vyssotsky's observation arc begins with its official discovery observation, as no precoveries were taken, and no prior identifications were made.




Lightcurves


Between 1999 and 2014, several rotational lightcurves of Vyssotsky were obtained by American astronomer Brian D. Warner at his Palmer Divide Observatory, Colorado (see video in § External links). Light-curve analysis gave a concurring rotation period of 3.201 hours with an averaged brightness variation of 0.18 magnitude (U=2/3/3/3/3/3).
Additional well-defined lightcurves were obtained by astronomers Domenico Licchelli in November 2005 (U=3-), Raymond Poncy, Raoul Behrend, René Roy, Reiner Stoss, Jaime Nomen, Salvador Sanchez also in November 2005 (U=3), David Higgins in May 2007 (U=3), Michael Lucas in November 2010 (U=2+), as well as by Hiromi Hamanowa and Hiroko Hamanowa also in November 2010 (U=3). The most recent photometric observation was made by Robert D. Stephens in September 2015, giving a period of 3.204 hours with an amplitude of 0.24 magnitude (U=3). In spite of its many observations, Vyssotsky's spin axis and spin direction can not be determined with certainty.




Diameter and albedo


According to the surveys carried out by the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Vyssotsky measures between 6.29 and 7.50 kilometers in diameter and its surface has an albedo between 0.321 and 0.547. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.3 and calculates a diameter of 7.00 kilometers with an absolute magnitude of 12.7.




Naming


This minor planet was named in honor of Russian–American astronomer Alexander Vyssotsky (1888–1973), who joined the faculty of the University of Virginia in 1923 and stayed at the McCormick Observatory on Mount Jefferson, Virginia, for 35 years. He was active in the fields of photometry, astrometry and spectral classification. The official naming citation was published by the Minor Planet Center on 20 February 1976 (M.P.C. 3931).




References






External links


The Palmer Divide Observatory: Tour given by Brian Warner on YouTube (time 4:03 min.)
Lightcurve plot of 1600 Vyssotsky, Palmer Divide Observatory, B. D. Warner (2009)
Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
Dictionary of Minor Planet Names, Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
1600 Vyssotsky at AstDyS-2, Asteroids—Dynamic Site
Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
1600 Vyssotsky at the JPL Small-Body Database

Kata Kunci Pencarian:

• 1600 Vyssotsky
• Vysotsky (disambiguation)
• Meanings of minor-planet names: 1001–2000
• Carl A. Wirtanen
• List of minor planets: 1001–2000
• List of minor planets named after people
• 300 Geraldina
• A-type asteroid
• List of named minor planets: V
• List of named minor planets: 1000–1999