2021 TC1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest1 Oct 202221.41.060 AU0.076 AU29.68 LD11,411,340 km21h56m+22°34'138.4°38.8°
Today6 Oct 202221.51.041 AU0.068 AU26.44 LD10,165,313 km21h09m+21°12'125.2°51.7°
Approach16 Oct 202222.30.999 AU0.061 AU23.57 LD9,061,529 km19h14m+13°52'90.1°86.5°

Based on its absolute magnitude (Hₒ) of 25.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 TC1 is 25 - 50 m.

2021 TC1- 2022-10-06

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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.