2021 AD
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest8 Jan 202121.10.985 AU0.050 AU19.64 LD7,552,788 km00h08m+37°42'90.5°86.6°
Today16 Jan 202123.30.960 AU0.032 AU12.53 LD4,816,887 km22h23m+00°08'42.8°135.9°
Approach16 Jan 202124.10.958 AU0.032 AU12.46 LD4,791,366 km22h11m-04°57'37.0°141.9°

Based on its absolute magnitude (Hₒ) of 24.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 AD is 35 - 75 m.

2021 AD- 2021-01-16

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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.