astro.wikisort.org - Asteroid196 Philomela is a large and bright main-belt asteroid. It is an S-type asteroid. [citation needed]
196 Philomela A three-dimensional model of 196 Philomela based on its light curve. |
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Discovered by | C. H. F. Peters, 1879 |
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Discovery date | 14 May 1879 |
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MPC designation | (196) Philomela |
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Pronunciation | [1] |
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Minor planet category | Main belt |
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Adjectives | Philomelian [1] |
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Epoch 31 July 2016 (JD 2457600.5) |
Uncertainty parameter 0 |
Observation arc | 136.91 yr (50005 d) |
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Aphelion | 3.1723 AU (474.57 Gm) |
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Perihelion | 3.0630 AU (458.22 Gm) |
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Semi-major axis | 3.1177 AU (466.40 Gm) |
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Eccentricity | 0.017530 |
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Orbital period (sidereal) | 5.50 yr (2010.7 d) |
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Mean anomaly | 276.49° |
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Mean motion | 0° 10m 44.544s / day |
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Inclination | 7.2554° |
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Longitude of ascending node | 72.384° |
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Argument of perihelion | 195.69° |
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Earth MOID | 2.04771 AU (306.333 Gm) |
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Jupiter MOID | 1.83421 AU (274.394 Gm) |
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TJupiter | 3.204 |
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Dimensions | 136.39±6.3 km[2] 145.29 ± 7.71 km[3] |
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Mass | (4.00 ± 1.53) × 1018 kg[3] |
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Mean density | 2.48 ± 1.02 g/cm3[3] |
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Synodic rotation period | 8.3340 h (0.34725 d)[2] 8.332827 hours[4] |
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Geometric albedo | 0.2299±0.023 |
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Spectral type | S |
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Absolute magnitude (H) | 6.54 |
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It was discovered by C. H. F. Peters on May 14, 1879, in Clinton, New York and named after Philomela, the woman who became a nightingale in Greek mythology.[5]
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 196 Philomela. The shape model for this asteroid is described as asymmetrical and smooth, while the light curve varies by up to 0.4 in magnitude.[4][6]
To date there have been two reported Philomelian stellar occultations.[citation needed]
References
- "Philomel, Philomela". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- "196 Philomela". JPL Small-Body Database. 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.
- Durech, J.; et al. (April 2007), "Physical models of ten asteroids from an observers' collaboration network", Astronomy and Astrophysics, vol. 465, no. 1, pp. 331–337, Bibcode:2007A&A...465..331D, doi:10.1051/0004-6361:20066347.
- Schmadel Lutz D. Dictionary of Minor Planet Names (fifth edition), Springer, 2003. ISBN 3-540-00238-3.
- Durech, J.; Kaasalainen, M.; Marciniak, A.; Allen, W. H. et al. "Asteroid brightness and geometry," Astronomy and Astrophysics, Volume 465, Issue 1, April I 2007, pp. 331-337.
External links
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На других языках
[de] (196) Philomela
(196) Philomela ist ein Asteroid des äußeren Asteroiden-Hauptgürtels, der am 14. Mai 1879 von Christian Heinrich Friedrich Peters entdeckt wurde.
- [en] 196 Philomela
[es] (196) Philomela
(196) Philomela 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 14 de mayo de 1879.
Está nombrado por Filomela, un personaje de la mitología griega.[2]
[ru] (196) Филомела
(196) Филомела (др.-греч. Φιλομήλα) — это довольно крупный яркий астероид главного пояса. Он был открыт 14 мая 1879 года германо-американским астрономом К. Г. Ф. Петерсом в Клинтоне, США и назван в честь Филомелы, второй жены Терея, которая сбежала от него, превратившись в соловья, согласно древнегреческой мифологии[1].
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