2019 QY4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest9 Sep 201918.61.014 AU0.008 AU3.07 LD1,182,059 km23h52m+27°37'145.1°34.7°
Approach10 Sep 201919.01.010 AU0.007 AU2.53 LD974,260 km02h11m+49°38'112.8°66.9°
Today21 Feb 202027.31.453 AU0.468 AU182.11 LD70,014,966 km09h38m+14°07'170.6°6.4°

Based on its absolute magnitude (Hₒ) of 27.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2019 QY4 is 8 - 18 m.

2019 QY4- 2020-02-21

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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.