2018 WG Geometry

Heliocentric and Geocentric Distances

Heliocentric and Geocentric Distances of 2018 WG in the months around closest approach

Heliocentric and Geocentric Distances of 2018 WG in the months around closest approach

 

Solar Elongation and Solar Phase Angle

Solar Elongation and Solar Phase Angle of 2018 WG in the months around closest approach

Solar Elongation and Solar Phase Angle of 2018 WG in the months around closest approach

Solar Elongation and Solar Phase Angle of 2018 WG in the days around closest approach

Solar Elongation and Solar Phase Angle of 2018 WG in the days around closest approach

 

Predicted Brightness

Predicted Brightness of 2018 WG in the months around closest approach

Predicted Brightness of 2018 WG in the months around closest approach

 

Orbit of 2018 WG

oblique view of orbit

Oblique view showing the positions of the asteroid and Earth (coinciding) on the date of closest approach. The thin lines show the projection of the asteroid's orbit projected onto the ecliptic plane, with tic marks denoting 15-day intervals.

 

co-rotating orbit plot

View of the orbit in a reference frame co-rotating with the Earth. Circles denote positions of the asteroid at intervals of 30 days relative to perihelion (filled circle). The upper plot shows the view from above the ecliptic plane and the low plot is the view along the ecliptic plane.

 

Graphs courtesy Dr. Tony Farnham