2021 AN4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today16 Jan 202120.91.014 AU0.032 AU12.41 LD4,770,662 km06h52m+09°08'161.6°17.9°
Brightest19 Jan 202120.81.013 AU0.031 AU11.96 LD4,597,948 km07h41m+04°43'163.4°16.1°
Approach19 Jan 202120.81.013 AU0.031 AU11.95 LD4,595,899 km07h48m+04°09'163.3°16.2°

Based on its absolute magnitude (Hₒ) of 27.5 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 AN4 is 9 - 19 m.

2021 AN4- 2021-01-16
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.