2019 SZ4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest27 Sep 201920.81.058 AU0.061 AU23.64 LD9,089,918 km00h17m-23°42'154.9°23.7°
Approach6 Oct 201921.31.019 AU0.048 AU18.59 LD7,147,992 km00h34m-61°54'112.9°64.7°
Today25 Feb 202026.71.036 AU0.504 AU196.25 LD75,452,435 km16h55m-19°38'80.7°70.6°

Based on its absolute magnitude (Hₒ) of 25.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2019 SZ4 is 20 - 45 m.

2019 SZ4- 2020-02-25

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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.