2021 CU3
ephemeris	date	magn	radius	delta (AU)	delta (LD)	delta (km)	ra	dec	elong	phase
Brightest	18 Feb 2021	17.7	1.026 AU	0.049 AU	19.00 LD	7,306,577 km	11h54m	+45°01'	139.5°	38.7°
Approach	20 Feb 2021	18.2	1.002 AU	0.041 AU	16.03 LD	6,162,801 km	14h56m	+67°23'	107.5°	70.3°
Today	7 Mar 2021	26.4	0.798 AU	0.228 AU	88.80 LD	34,139,486 km	21h57m	+16°23'	28.2°	144.0°

Based on its absolute magnitude (Hₒ) of 22.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 CU3 is 80 - 175 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.