2019 GC4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest11 Apr 201917.41.014 AU0.016 AU6.35 LD2,439,507 km10h34m-35°05'133.9°45.4°
Approach12 Apr 201918.01.004 AU0.013 AU5.11 LD1,964,967 km07h41m-30°45'98.6°80.6°
Today20 Jul 201927.51.356 AU2.359 AU917.94 LD352,917,247 km07h26m+20°47'6.8°5.1°

Based on its absolute magnitude (Hₒ) of 24.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2019 GC4 is 30 - 70 m.

2019 GC4- 2019-07-20
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.