2001 KW18
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest20 May 201920.91.047 AU0.046 AU17.73 LD6,817,959 km18h36m-18°56'139.8°38.6°
Approach21 May 201920.91.047 AU0.045 AU17.68 LD6,797,359 km18h46m-22°35'139.2°39.2°
Today23 Jul 201923.91.116 AU0.153 AU59.68 LD22,943,187 km22h54m-64°46'127.7°46.1°

Based on its absolute magnitude (Hₒ) of 26.0 and an albedo between 0.25 and 0.05, the estimated diameter of 2001 KW18 is 15 - 40 m.

2001 KW18- 2019-07-23
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 lightcurve 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 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.