2007 HL4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach17 Apr 202020.51.033 AU0.066 AU25.71 LD9,886,364 km09h56m+26°06'114.3°62.4°
Brightest20 Apr 202020.51.036 AU0.067 AU25.98 LD9,986,591 km10h06m+18°01'116.1°60.6°
Today12 Jul 202023.41.146 AU0.255 AU99.36 LD38,202,304 km14h18m-44°10'114.4°53.9°

Based on its absolute magnitude (Hₒ) of 24.1 and an albedo between 0.25 and 0.05, the estimated diameter of 2007 HL4 is 40 - 90 m.

2007 HL4- 2020-07-12
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.