2021 RU
ephemeris	date	magn	radius	delta (AU)	delta (LD)	delta (km)	ra	dec	elong	phase
Approach	14 Nov 2024	20.0	1.017 AU	0.038 AU	14.81 LD	5,694,942 km	01h08m	-11°23'	135.9°	42.7°
Brightest	18 Nov 2024	19.7	1.028 AU	0.043 AU	16.66 LD	6,403,389 km	02h47m	-00°29'	156.6°	22.5°
Today	2 Dec 2024	20.9	1.075 AU	0.091 AU	35.29 LD	13,568,775 km	05h03m	+14°39'	169.8°	9.3°

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.

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.