astro.wikisort.org - AsteroidBertholda (minor planet designation: 420 Bertholda) is a very large main-belt asteroid. It was discovered by Max Wolf on September 7, 1896, in Heidelberg, Germany. The object is part of the Cybele asteroid group,[3] and is classified as a P-type asteroid.
420 Bertholda|
Discovered by | Max Wolf |
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Discovery date | 7 September 1896 |
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MPC designation | (420) Bertholda |
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Alternative designations | 1896 CY |
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Minor planet category | Main belt (Cybele) |
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Epoch 31 July 2016 (JD 2457600.5) |
Uncertainty parameter 0 |
Observation arc | 115.96 yr (42353 d) |
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Aphelion | 3.5216 AU (526.82 Gm) |
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Perihelion | 3.3110 AU (495.32 Gm) |
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Semi-major axis | 3.4163 AU (511.07 Gm) |
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Eccentricity | 0.030818 |
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Orbital period (sidereal) | 6.31 yr (2306.4 d) |
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Mean anomaly | 220.0218° |
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Mean motion | 0° 9m 21.924s / day |
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Inclination | 6.6874° |
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Longitude of ascending node | 242.661° |
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Argument of perihelion | 236.020° |
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Earth MOID | 2.33214 AU (348.883 Gm) |
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Jupiter MOID | 1.58341 AU (236.875 Gm) |
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TJupiter | 3.132 |
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Dimensions | 141.25±6.9 km[1] 141.54 ± 2.08 km[2] |
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Mass | (1.48 ± 0.09) × 1019 kg[2] |
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Mean density | 9.96 ± 0.75 g/cm3[2] |
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Synodic rotation period | 11.04 h (0.460 d) |
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Geometric albedo | 0.0420±0.004 |
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Spectral type | P |
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Absolute magnitude (H) | 8.3 |
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References
- "420 Bertholda (1896 CY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 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.
- Lagerkvist, Claes-Ingvar; et al. (January 2001), "A Study of Cybele Asteroids. I. Spin Properties of Ten Asteroids", Icarus, 149 (1): 190–197, Bibcode:2001Icar..149..190L, doi:10.1006/icar.2000.6507.
External links
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На других языках
[de] (420) Bertholda
(420) Bertholda ist ein Asteroid des Hauptgürtels, der am 7. September 1896 vom deutschen Astronomen Max Wolf in Heidelberg entdeckt wurde.
- [en] 420 Bertholda
[es] (420) Bertholda
(420) Bertholda es un asteroide perteneciente al cinturón exterior de asteroides descubierto el 7 de septiembre de 1896 por Maximilian Franz Wolf desde el observatorio de Heidelberg-Königstuhl, Alemania.
Está nombrado en honor de Bertoldo de Zähringen, fundador de la Casa de Zähringen.[2]
[ru] (420) Бертольда
(420) Бертольда (420 Bertholda по каталогу ЦМП[2]) — довольно крупный астероид главного пояса.
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