2021 TJ12
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest15 Oct 202119.71.003 AU0.017 AU6.64 LD2,553,385 km20h57m-19°16'109.1°69.9°
Approach17 Oct 202120.40.994 AU0.014 AU5.47 LD2,104,947 km19h09m-45°31'79.9°99.3°
Today22 Oct 202125.10.973 AU0.029 AU11.19 LD4,300,934 km12h48m-48°06'39.1°139.9°

Based on its absolute magnitude (Hₒ) of 26.1 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 TJ12 is 15 - 35 m.

2021 TJ12- 2021-10-22

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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.