Universe Guide

(297300) 1998 SC15 Asteroid

1998 SC15 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. A close approach will occur on 2095 Apr 9 when it will get to within 0.0088 A.U. Its orbit takes 1.44 years to travel round the Sun.

The absolute magnitude of the object is 19.2 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 Longitude of Ascending Node of the object is 198.73928 degrees. It is the angle between the Reference Direction and the Ascending Node. It is normally represented by the greek letter Ω. The ascending node is the point in which the object passes north. The descending node is the southern.The Argument of Perihelion is 277.4224. 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 45.21247, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 1.2730048, which is the furthest point from the centre to the edge of an elliptical point.

The orbital inclination, the angle at which 1998 SC15 orbits in relation to the orbital plane is 16.08149 degrees. The orbital eccentricity is 0.4145031, it is the degree at which 1998 SC15 orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

1998 SC15 Facts

Asteroid TypeApollo
Date of Closest Approach2095 Apr 9
Distance on Closest Approach0.0088 A.U.
Orbital Period1.44
Absolute Magnitude19.2
Longitude Of Ascending Node198.73928
Argument of Perihelion277.4224
Mean Anomoly 45.21247
Semi-Major Axis 1.2730048
Orbital Inclination (degrees)16.08149
Orbital Eccentricity0.4145031

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