2021 EP4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today28 Nov 202228.21.270 AU0.305 AU118.56 LD45,583,025 km05h06m+43°14'155.3°18.9°
Brightest2 Feb 202326.30.984 AU0.062 AU23.93 LD9,201,450 km21h00m+70°11'87.1°89.4°
Approach13 Feb 202326.60.972 AU0.049 AU19.02 LD7,310,762 km18h20m+37°58'70.5°106.8°

Based on its absolute magnitude (Hₒ) of 29.3 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 EP4 is 4 - 8 m.

2021 EP4- 2022-11-28

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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.