2019 YB4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today21 Oct 202026.81.165 AU0.345 AU134.06 LD51,539,763 km06h28m+25°03'111.2°52.8°
Brightest27 Dec 202022.71.001 AU0.050 AU19.50 LD7,496,776 km11h22m+12°38'108.9°68.4°
Approach2 Jan 202123.30.979 AU0.043 AU16.68 LD6,413,355 km13h20m+00°12'83.6°93.9°

Based on its absolute magnitude (Hₒ) of 26.8 and an albedo between 0.25 and 0.05, the estimated diameter of 2019 YB4 is 10 - 25 m.

2019 YB4- 2020-10-21

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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.