2018 AC4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest15 Jul 202321.91.039 AU0.064 AU24.74 LD9,510,441 km13h59m-45°52'109.0°67.7°
Approach18 Jul 202322.31.014 AU0.055 AU21.46 LD8,251,599 km13h04m-18°15'86.1°90.7°
Today29 Feb 202427.31.675 AU0.836 AU325.31 LD125,069,778 km10h44m-39°16'132.7°25.7°

Based on its absolute magnitude (Hₒ) of 25.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2018 AC4 is 20 - 50 m.

2018 AC4- 2024-02-29

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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.