2011 WB
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach11 Nov 201821.01.028 AU0.050 AU19.52 LD7,503,358 km00h51m-09°10'138.1°40.1°
Brightest16 Nov 201820.81.039 AU0.055 AU21.36 LD8,210,441 km01h47m+09°52'155.1°23.6°
Today19 Jan 201925.91.343 AU0.428 AU166.40 LD63,976,509 km05h21m+39°19'141.0°27.5°

Based on its absolute magnitude (Hₒ) of 25.9and an albedo between 0.25 and 0.05, the estimated diameter of 2011 WB is 20 - 40 m.

2011 WB- 2019-01-19
astro.vanbuitenen.nl


 
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The interactive orbit chart above shows the near-earth object's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.

(Left-click and drag to rotate the view; right-click and drag to move the view; use scroll wheel to zoom in our out.)

The lightcurve chart below shows the estimated development of the NEO's magnitude during its approach to earth.


The following all-sky chart shows the path of of the NEO in the coming months.





The following chart shows the path of the NEO in the coming days or hours. The field of view is optimized for (~10x50) binoculars and finderscopes. A more printer-friendly version of the same chart can be found below.