Universe Guide

Neso, Moon of Neptune

Neso is a Moon that orbits round the planet Neptune. It is also know by other designations, NXIII, S/2002 N4. Its mass is estimated/calculated at being 164,853,527,640,691,000 kg. Its density has been calculated at being 1.5. Its volume is 113097.

It was discovered in the year 2002 by Matthew J. Holman, John J. Kavelaars, Tommy Grav, Wesley C. Fraser, and Dan Milisavljevic.

The orbital period, i.e. the period it takes to complete an orbit round Neptune is 9115.9 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Equatorial Radius of the object is 30km. The Equatorial Radius is based on the assumption of the Albedo value. The value is the radius in km of the said object at the Equator.

The albedo of the object is 0.04. The Albedo is the amount of radiation that is reflected back into space by the object.

The Escape Velocity of the object is 97 km/h. The Escape Velocity is the speed an object needs to be travelling in order to break free from the objects gravity. The larger an object is, the more velocity (speed) is needed to break free from the object.The Semi-Major Axis of the orbit is 46700, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Neso is 188.5 km. The surface area of Neso is 11,309.73. The surface gravity of the said item is 0.012. The Mean orbit velocity, that is the speed at which it orbits is 1208.80 km/h. The is the average distance in km of the object is from its parent 49285000.00.

The orbital inclination, the angle at which Neso orbits in relation to the orbital plane is 137.4 degrees. The orbital eccentricity is 0.5714, it is the degree at which Neso orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Neso Facts

DesignationsNXIII, S/2002 N4
Mass (kg)164,853,527,640,691,000
Density (g/cm^3)1.5
Volume (km^3)113097
Orbital DirectionRetrograde, opposite to the parents direction
Year of Discovery2002
DiscovererMatthew J. Holman, John J. Kavelaars, Tommy Grav, Wesley C. Fraser, and Dan Milisavljevic
Orbital Period (days)9115.9
Equatorial Radius (km)30
Escape Velocity (km/h)97
Semi-Major Axis (10^3 km)46700
Equatorial Circumference (km)188.5
Surface Area (km^2)11,309.73
Surface Gravity (m/s^2)0.012
Mean Orbit Velocity (km/h)1208.80
Average Orbit Distance (km)49285000.00
Orbital Inclination (degrees)137.4
Orbital Eccentricity0.5714

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