(196) Филомела

У этого термина существуют и другие значения, см. Филомела (значения).
(196) Филомела
Астероид
Открытие
Первооткрыватель К. Г. Ф. Петерс
Место обнаружения Клинтон
Дата обнаружения 14 мая 1879
Эпоним Филомела
Альтернативные обозначения 1934 JO
Категория Главное кольцо
Орбитальные характеристики
Эпоха 14 марта 2012 года
JD 2456000.5
Эксцентриситет (e) 0,02082
Большая полуось (a) 465,933 млн км
(3,11457 а. е.)
Перигелий (q) 456,232 млн км
(3,04972 а. е.)
Афелий (Q) 475,634 млн км
(3,17942 а. е.)
Период обращения (P) 2007,685 сут (5,497 г.)
Средняя орбитальная скорость 16,875 км/с
Наклонение (i) 7,259°
Долгота восходящего узла (Ω) 72,546°
Аргумент перигелия (ω) 200,286°
Средняя аномалия (M) 237,274°
Физические характеристики
Диаметр 136,39 км
Масса 2,65⋅1018 кг
Плотность 2,000 г/см³
Ускорение свободного падения на поверхности 0,0381 м/с²
2-я космическая скорость 0,0721 км/с
Период вращения 8,334 ч
Спектральный класс S
Видимая звёздная величина 12,47m (текущая)
Абсолютная звёздная величина 6,54m
Альбедо 0,2299
Средняя температура поверхности 152 К (−121 °C)
Текущее расстояние от Солнца 3,05 а. е.
Текущее расстояние от Земли 3,925 а. е.
Логотип Викиданных Информация в Викиданных ?

(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].

Орбита астероида Филомела и его положение в Солнечной системе

В 1990 году кривые блеска были использованы для определения формы и периода вращения 10 новых астероидов, в том числе и Филомелы[2][3]. На данный момент было зафиксировано два покрытия звёзд этим астероидом.

См. также

Примечания

  1. ↑ Lutz D. Schmadel. Dictionary of Minor Planet Names (англ.). — Fifth Revised and Enlarged Edition. — Berlin, Heidelberg, New York: Springer, 2003. — P. 32. — ISBN 3-540-00238-3.
  2. ↑ Durech., J.; Kaasalainen, M., Marciniak, A.; et al., “Physical models of ten asteroids from an observers' collaboration network,” Astronomy and Astrophysics , Volume 465, Issue 1, April I 2007, pp. 331-337
  3. ↑ Durech, J.; Kaasalainen, M.; Marciniak, A.; Allen, W. H. et al. “Asteroid brightness and geometry,” Astronomy and Astrophysics, Volume 465, Issue 1,1 апреля 2007, страницы. 331-337

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