2018 GY
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today21 Jan 202031.00.656 AU0.350 AU136.35 LD52,423,306 km20h59m-32°10'16.6°154.7°
Approach17 Mar 202018.91.020 AU0.032 AU12.49 LD4,802,757 km14h27m-07°36'139.7°39.2°
Brightest20 Mar 202018.61.029 AU0.035 AU13.60 LD5,228,869 km13h18m+07°53'158.7°20.6°

Based on its absolute magnitude (Hₒ) of 24.8 and an albedo between 0.25 and 0.05, the estimated diameter of 2018 GY is 30 - 65 m.

2018 GY- 2020-01-21
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.