2019 WJ4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest30 Nov 201917.50.988 AU0.003 AU1.02 LD393,668 km01h00m-07°10'122.4°57.5°
Approach30 Nov 201918.30.986 AU0.002 AU0.76 LD291,055 km22h09m-10°52'82.3°97.6°
Today3 Jul 202031.22.236 AU1.248 AU485.78 LD186,767,144 km17h34m-31°15'161.6°8.3°

Based on its absolute magnitude (Hₒ) of 28.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2019 WJ4 is 6 - 12 m.

2019 WJ4- 2020-07-03
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 light curve 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 the NEO in the coming months.