2021 TN1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest11 Oct 202119.51.013 AU0.020 AU7.63 LD2,935,070 km22h24m+28°32'136.3°42.9°
Approach12 Oct 202119.61.012 AU0.019 AU7.58 LD2,912,364 km22h33m+35°18'134.7°44.5°
Today22 Oct 202120.81.009 AU0.028 AU10.92 LD4,198,262 km02h05m+73°02'117.8°60.8°

Based on its absolute magnitude (Hₒ) of 26.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 TN1 is 15 - 30 m.

2021 TN1- 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.