2004 WH1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today22 Oct 202121.31.088 AU0.127 AU49.26 LD18,938,552 km22h42m+06°02'134.5°40.7°
Approach9 Jan 202222.50.957 AU0.043 AU16.73 LD6,432,611 km21h18m-70°39'51.5°126.5°
Brightest8 Feb 202220.81.001 AU0.067 AU26.07 LD10,023,806 km12h39m-52°14'100.6°75.6°

Based on its absolute magnitude (Hₒ) of 24.0 and an albedo between 0.25 and 0.05, the estimated diameter of 2004 WH1 is 40 - 95 m.

2004 WH1- 2021-10-22
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.