Egeria
13 Egeria is a large main-belt G-type asteroid. It was discovered by Annibale de Gasparis on 2 November 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.
asteroid
Обнаружен: 1850-11-21
Наблюдения: 3,875
13 Egeria is a large main-belt G-type asteroid. It was discovered by Annibale de Gasparis on 2 November 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.
Орбитальные параметры
Большая полуось
2.576 AU
Эксцентриситет
0.0846
Перигелий
2.358 AU
Афелий
2.79393 AU
Наклонение
16.53°
Орбитальный период
4.1342 yr
Эпоха
2461200.5
Средний аномалия
88.62°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
Физические параметры
Диаметр
202.636 km
Альбедо
0.049
Плотность
— g/cm³
Период вращения
7.045 h
Абсолютная величина
6.92
Качество orbital
RMS
0.50391
Код состояния
0
ID орбиты
—
