2020 ST1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today21 Oct 202019.01.087 AU0.126 AU49.14 LD18,893,329 km22h42m+29°24'134.0°41.2°
Approach14 Nov 202015.51.038 AU0.049 AU19.04 LD7,320,085 km03h19m+20°27'177.8°2.1°
Brightest14 Nov 202015.51.038 AU0.049 AU19.05 LD7,322,281 km03h24m+19°54'178.1°1.8°

Based on its absolute magnitude (Hₒ) of 21.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2020 ST1 is 120 - 270 m.

2020 ST1- 2020-10-21
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.