2021 RU
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest19 Sep 202121.01.063 AU0.069 AU26.73 LD10,277,026 km01h53m+08°27'147.4°30.6°
Approach25 Sep 202121.31.041 AU0.062 AU23.99 LD9,222,070 km03h37m+14°46'126.9°50.3°
Today23 Oct 202124.11.001 AU0.143 AU55.47 LD21,326,767 km08h10m+16°02'88.3°83.5°

Based on its absolute magnitude (Hₒ) of 25.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 RU is 20 - 50 m.

2021 RU- 2021-10-23

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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.