2021 BJ
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest7 Nov 202422.91.005 AU0.087 AU33.82 LD13,004,531 km21h18m+01°57'96.7°78.4°
Approach29 Nov 202425.80.949 AU0.047 AU18.18 LD6,988,346 km17h31m+10°37'36.4°141.9°
Today2 Dec 202426.40.946 AU0.048 AU18.52 LD7,118,896 km16h48m+10°47'32.9°145.5°

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

2021 BJ- 2024-12-02
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.