2021 SG2
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest17 Oct 202120.31.031 AU0.043 AU16.78 LD6,452,379 km23h21m+30°01'143.7°34.9°
Approach21 Oct 202120.41.023 AU0.041 AU15.87 LD6,101,723 km23h30m+48°44'132.8°45.5°
Today23 Oct 202120.51.022 AU0.041 AU15.94 LD6,127,228 km23h33m+53°54'129.6°48.6°

Based on its absolute magnitude (Hₒ) of 25.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 SG2 is 20 - 45 m.

2021 SG2- 2021-10-23
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.