Icarus 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 0.001 kg.
Icarus was discovered on 1949-06-27 by W. Baade. A close approach will occur on 2090 Jun 14 when it will get to within 0.0357 A.U. Its orbit takes 1.12 years to travel round the Sun. Its takes 2.273 hours to do a full rotation period.
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 albedo of the object is 1. The Albedo is the amount of radiation that is reflected back into space by the object.
The Aphelion of the object is 1.970 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 0.187 A.U. which is the point in the orbit that is closest to the object that it is orbit around. The Longitude of Ascending Node of the object is 88.0 degrees. The Argument of Perihelion is 31.4. It is the angle along the orbit of a planet or other Solar System object as measured from the ascending node (analogous to right ascension and longitude) Ref:Hawaii.
The mean anomoly is 199.9, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 1.078, which is the furthest point from the centre to the edge of an elliptical point.
The approximate diameter of Icarus is 1.4 km.
The orbital inclination, the angle at which Icarus orbits in relation to the orbital plane is 22.8 degrees. The orbital eccentricity is 0.827, it is the degree at which Icarus orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.
If the white lines are above, then the path of the object is under the ecliptic. If the white lines are below, the path is above the ecliptic. This refers to the Inclination of the object. The image was created using N.A.S.A. Solar System Dynamics.
|Date of Discovery||1949-06-27|
|Date of Closest Approach||2090 Jun 14|
|Distance on Closest Approach||0.0357 A.U.|
|Rotation Period||2.273 hours|
|Aphelion (Furthest)||1.970 A.U.|
|Perihelion (Nearest)||0.187 A.U.|
|Longitude Of Ascending Node||88.0|
|Argument of Perihelion||31.4|
|Orbital Inclination (degrees)||22.8|
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