(19998) Binoche
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Asteroid (19998) Binoche |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Asteroid family | Gefion family |
| Major semi-axis | 2.7991 AU |
| eccentricity | 0.1697 |
| Perihelion - aphelion | 2.3241 AU - 3.2740 AU |
| Inclination of the orbit plane | 10.1895 ° |
| Length of the ascending node | 100.8875 ° |
| Argument of the periapsis | 255.7623 ° |
| Time of passage of the perihelion | 3rd June 2018 |
| Sidereal period | 4.68 a |
| Physical Properties | |
| Medium diameter | 4.127 km (± 0.610) |
| Albedo | 0.261 (± 0.153) |
| Absolute brightness | 14.1 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | November 18, 1990 |
| Another name | 1990 WP 1 , 1998 KU 59 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(19998) Binoche is an asteroid of the main middle belt , an asteroid field between Mars and Jupiter . The asteroid was discovered on November 18, 1990 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809).
The mean diameter of the asteroid was calculated to be 4.127 km (± 0.610), the albedo to be 0.261 (± 0.153).
According to the SMASS classification ( Small Main-Belt Asteroid Spectroscopic Survey ), a spectroscopic study by Gianluca Masi , Sergio Foglia and Richard P. Binzel subdivided all investigated asteroids into C, S and V types (19998) Binoche assigned to the C asteroids .
The asteroid belongs to the Gefion family, a group of asteroids of the central main belt named after (1272) Gefion . The group used to be called the Ceres family (after (1) Ceres , Vincenzo Zappalà 1995) and the Minerva family (after (93) Minerva , AstDyS-2 database). The timeless (non- osculating ) orbit elements of (19998) Binoche are almost identical to those of five smaller ones (if one considers the absolute brightness of 15.7, 15.7, 15.4, 15.9 and 16.6 compared to 14, 1) Asteroids: (147315) 2003 BK 2 , (190392) 1999 TL 82 , (239463) 2007 TX 316 , (345019) 2006 JC 26 and (402281) 2005 SC 118 .
(19998) Binoche was named on November 28, 2010 after the French actress Juliette Binoche (* 1964). Her appearance in the film The Unbearable Lightness of Being from 1988 was particularly highlighted in the dedication . Eric Walter Elst used issue # 19998 of the French fashion magazine Madame Figaro , which Juliette Binoche had on the title page, as inspiration for the name .
Web links
- (19998) Binoche in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (19998) Binoche in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances by (19998) Binoche according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ^ Gianluca Masi, Sergio Foglia, Richard P. Binzel: Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog . (English)
- ↑ subdivision of asteroids to S-types, C-types and V-types (English)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)