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(4769) Castalia Asteroid

Castalia is an asteroid, a large rock that orbits the Sun mainly between the orbits of Mars and Jupiter. They tend to be an irregular shaped but Ceres asteroid is known to be spherical in shape but because it doesn't clear its path round the Sun, it is only a dwarf planet. Its mass is estimated/calculated at being 0.0005.

Castalia was discovered on Aug 9 1989 by E. F. Helin Palomar Observatory. A close approach will occur on 2046 Aug 26 when it will get to within 0.0251 A.U. Its orbit takes 1.1 years to travel round the Sun.

The absolute magnitude of the object is 16.9 which is the brightness of the object. A higher absolute magnitude means that the object is faint whereas a very low number means it is very bright.

The Aphelion of the object is 1.5769 A.U. which is the point in the orbit that is furthest from the object that it is orbit. At this point, it will then return back to the orbit target. The Perihelion of the object is 0.54945 A.U. which is the point in the orbit that is closest to the object that it is orbit around.

The Semi-Major Axis of the orbit is 1.063, which is the furthest point from the centre to the edge of an elliptical point.

The approximate diameter of Castalia is 1800 km.

The orbital inclination, the angle at which Castalia orbits in relation to the orbital plane is 8.89 degrees. The orbital eccentricity is 0.4831, it is the degree at which Castalia orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Castalia Facts

Date of DiscoveryAug 9 1989
DiscovererE. F. Helin Palomar Observatory
Date of Closest Approach2046 Aug 26
Distance on Closest Approach0.0251 A.U.
Orbital Period1.1
Absolute Magnitude16.9
Aphelion (Furthest)1.5769 A.U.
Perihelion (Nearest)0.54945 A.U.
Semi-Major Axis1.063
Approx. Diameter1800
Orbital Inclination8.89
Orbital Eccentricity0.4831

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