Universe Guide

(488515) 2001 FE90 Asteroid

2001 FE90 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 2009 Jun 28 when it will get to within 0.0185 A.U. Its orbit takes 2.68 years to travel round the Sun.

The absolute magnitude of the object is 20.6 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 98.53400 degrees. The Argument of Perihelion is 145.1156. 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 244.68483, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 1.9350040, which is the furthest point from the centre to the edge of an elliptical point.

The orbital inclination, the angle at which 2001 FE90 orbits in relation to the orbital plane is 8.79266 degrees. The orbital eccentricity is 0.4945854, it is the degree at which 2001 FE90 orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

2001 FE90 Facts

Asteroid TypeApollo
Date of Closest Approach2009 Jun 28
Distance on Closest Approach0.0185 A.U.
Orbital Period2.68
Absolute Magnitude20.6
Longitude Of Ascending Node 98.53400
Argument of Perihelion145.1156
Mean Anomoly244.68483
Semi-Major Axis 1.9350040
Orbital Inclination (degrees)8.79266
Orbital Eccentricity0.4945854

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