2008 HS3
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest8 May 201915.21.046 AU0.038 AU14.71 LD5,655,426 km15h39m-21°07'169.3°10.3°
Approach9 May 201915.31.046 AU0.037 AU14.55 LD5,593,994 km16h02m-15°01'166.0°13.5°
Today18 Sep 201922.31.368 AU0.508 AU197.49 LD75,930,088 km20h05m+01°10'126.3°36.3°

Based on its absolute magnitude (Hₒ) of 21.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2008 HS3 is 125 - 285 m.

2008 HS3- 2019-09-18
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.