2011 ES4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today10 Jul 202027.60.838 AU0.277 AU107.70 LD41,406,036 km09h57m+02°33'43.5°123.3°
Approach31 Aug 202019.01.009 AU0.010 AU3.91 LD1,503,225 km04h41m+18°37'87.4°92.0°
Brightest2 Sep 202018.21.016 AU0.013 AU4.88 LD1,876,101 km02h05m+18°19'124.7°54.7°

Based on its absolute magnitude (Hₒ) of 25.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2011 ES4 is 20 - 45 m.

2011 ES4- 2020-07-10
astro.vanbuitenen.nl


 
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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.