2018 BU1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today22 Nov 201925.51.465 AU0.568 AU220.98 LD84,960,917 km06h39m+35°54'139.2°26.1°
Brightest25 Jan 202021.51.020 AU0.081 AU31.35 LD12,054,456 km03h43m+23°05'113.9°62.0°
Approach4 Feb 202022.70.963 AU0.060 AU23.43 LD9,008,625 km01h37m-06°28'66.4°110.3°

Based on its absolute magnitude (Hₒ) of 24.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2018 BU1 is 30 - 70 m.

2018 BU1- 2019-11-22
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.





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.