2017 SA20
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest18 Apr 202420.11.010 AU0.010 AU3.79 LD1,455,339 km17h04m-21°28'131.0°48.6°
Approach19 Apr 202420.71.006 AU0.008 AU3.10 LD1,192,142 km19h34m-20°28'97.6°82.0°
Today22 Apr 202424.10.998 AU0.012 AU4.53 LD1,742,086 km22h41m-07°55'53.1°126.4°

Based on its absolute magnitude (Hₒ) of 28.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2017 SA20 is 6 - 13 m.

2017 SA20- 2024-04-22
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.