2010 PK9
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach26 Jul 201915.21.031 AU0.021 AU8.20 LD3,153,348 km23h32m-40°39'134.3°44.8°
Brightest27 Jul 201914.81.037 AU0.023 AU9.13 LD3,511,308 km21h13m-41°12'155.8°23.7°
Today21 Sep 201922.91.117 AU0.518 AU201.64 LD77,523,342 km17h43m-12°16'88.4°64.0°

Based on its absolute magnitude (Hₒ) of 21.8 and an albedo between 0.25 and 0.05, the estimated diameter of 2010 PK9 is 115 - 260 m.

2010 PK9- 2019-09-21

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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.