2012 ER3
ephemeris	date	magn	radius	delta (AU)	delta (LD)	delta (km)	ra	dec	elong	phase
Today	20 Jan 2025	24.9	1.363 AU	0.475 AU	184.88 LD	71,079,527 km	10h18m	-11°09'	135.1°	30.6°
Brightest	10 Mar 2025	19.7	1.057 AU	0.067 AU	26.23 LD	10,083,235 km	11h40m	+22°19'	161.1°	17.7°
Approach	16 Mar 2025	20.2	1.025 AU	0.053 AU	20.73 LD	7,970,263 km	13h29m	+53°54'	123.5°	54.0°

Based on its absolute magnitude (Hₒ) of 24.5 and an albedo between 0.25 and 0.05, the estimated diameter of 2012 ER3 is 35 - 75 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.