2021 GM1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today11 Apr 202123.41.001 AU0.007 AU2.64 LD1,016,312 km21h34m-51°29'76.5°103.1°
Approach17 Apr 202122.31.005 AU0.006 AU2.50 LD961,028 km19h25m-53°42'101.1°78.5°
Brightest11 May 202121.21.021 AU0.011 AU4.18 LD1,606,901 km15h16m-24°46'173.0°7.0°

Based on its absolute magnitude (Hₒ) of 30.5 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 GM1 is 2 - 5 m.

2021 GM1- 2021-04-11
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.