astro.wikisort.org - Asteroid165 Loreley is a main-belt asteroid that was discovered by C. H. F. Peters on August 9, 1876, in Clinton, New York and named after the Lorelei, a figure in German folklore.
Main-belt asteroid
165 Loreley A three-dimensional model of 165 Loreley based on its light curve. |
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Discovered by | C. H. F. Peters |
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Discovery date | 9 August 1876 |
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MPC designation | (165) Loreley |
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Pronunciation | [1] |
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Minor planet category | main belt |
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Epoch 31 July 2016 (JD 2457600.5) |
Uncertainty parameter 0 |
Observation arc | 139.51 yr (50957 d) |
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Aphelion | 3.3904 AU (507.20 Gm) |
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Perihelion | 2.8599 AU (427.83 Gm) |
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Semi-major axis | 3.1251 AU (467.51 Gm) |
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Eccentricity | 0.084887 |
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Orbital period (sidereal) | 5.52 yr (2017.9 d) |
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Mean anomaly | 125.88° |
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Mean motion | 0° 10m 42.24s / day |
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Inclination | 11.224° |
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Longitude of ascending node | 302.53° |
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Argument of perihelion | 347.29° |
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Earth MOID | 1.84454 AU (275.939 Gm) |
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Jupiter MOID | 1.81383 AU (271.345 Gm) |
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TJupiter | 3.180 |
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Dimensions | 180.083±2.064 km[2] 164.92 ± 8.14 km[3] |
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Mass | (1.91 ± 0.19) × 1019 kg[3] |
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Mean density | 8.14 ± 1.46 g/cm3[3] |
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Synodic rotation period | 7.226 h (0.3011 d)[2] 7.22667 h[4] |
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Geometric albedo | 0.0642±0.004 |
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Absolute magnitude (H) | 7.65,[2] 7.76[5] |
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In the late 1990s, a network of astronomers worldwide gathered light curve data that was ultimately used to derive the spin states and shape models of 10 new asteroids, including (165) Loreley. The light curve of this asteroid varies by no more than 0.2 in magnitude, while the derived shape model shows multiple flat spots on the surface.[4][6]
Between 2003 and 2021, 165 Loreley has been observed to occult thirteen stars.
The asteroid has an oblate shape with a size ratio of 1.26 ± 0.08 between the major and minor axes, as determined from the W. M. Keck Observatory.[7]
References
- "Lorelei". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- Yeomans, Donald K., "165 Loreley", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 12 May 2016.
- Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- Ďurech, J.; et al. (April 2007), "Physical models of ten asteroids from an observers", Astronomy and Astrophysics, vol. 465, no. 1, pp. 331–337, Bibcode:2007A&A...465..331D, doi:10.1051/0004-6361:20066347.
- Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, vol. 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
- Durech, J.; et al. (November 2006), "Asteroid brightness and geometry", VizieR On-line Data Catalog: J/A+A/465/331, Bibcode:2006yCat..34650331D.
- Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, vol. 185, no. 1, pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813.
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На других языках
[de] (165) Loreley
(165) Loreley ist ein Asteroid des Hauptgürtels, der am 9. August 1876 von dem deutsch-US-amerikanischen Astronomen Christian Heinrich Friedrich Peters entdeckt wurde.
- [en] 165 Loreley
[es] (165) Loreley
(165) Loreley es un asteroide que forma parte del cinturón de asteroides y fue descubierto por Christian Heinrich Friedrich Peters desde el observatorio Litchfield de Clinton, Estados Unidos, el 9 de agosto de 1876.
Está nombrado por Loreley, una ondina de la mitología nórdica.[2]
[ru] (165) Лорелей
(165) Лорелей (нем. Loreley) — крупный астероид главного пояса, с очень низким альбедо поверхности. Он был открыт 19 августа 1876 года германо-американским астрономом К. Г. Ф. Петерсом в Клинтоне, США и назван в честь сирены Лорелеи, которая, согласно немецкому фольклору (англ.) (рус., соблазняла лодочников реки Рейн своим пением[1].
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