2021 BJ
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today28 Nov 202224.30.961 AU0.120 AU46.88 LD18,025,338 km21h10m-03°14'74.0°99.1°
Approach29 Dec 202224.20.958 AU0.037 AU14.53 LD5,587,447 km16h42m+14°20'46.0°132.4°
Brightest11 Jan 202322.10.993 AU0.059 AU22.96 LD8,827,727 km13h14m+11°36'97.5°79.1°

Based on its absolute magnitude (Hₒ) of 25.5 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 BJ is 20 - 50 m.

2021 BJ- 2022-11-28
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.