Universe Guide

(496816) 1989 UP Asteroid

1989 UP 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 1938 Nov 18 when it will get to within 0.0052 A.U. Its orbit takes 2.55 years to travel round the Sun.

The absolute magnitude of the object is 20.5 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 53.20809 degrees. The Argument of Perihelion is 17.73122. 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 200.37622, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 1.8620440, which is the furthest point from the centre to the edge of an elliptical point.

The orbital inclination, the angle at which 1989 UP orbits in relation to the orbital plane is 3.85742 degrees. The orbital eccentricity is 0.4718604, it is the degree at which 1989 UP orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

1989 UP Facts

Asteroid TypeApollo
Date of Closest Approach1938 Nov 18
Distance on Closest Approach0.0052 A.U.
Orbital Period2.55
Absolute Magnitude20.5
Longitude Of Ascending Node 53.20809
Argument of Perihelion17.73122
Mean Anomoly200.37622
Semi-Major Axis 1.8620440
Orbital Inclination (degrees)3.85742
Orbital Eccentricity0.4718604

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