2017 AP4
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today11 Nov 201923.91.047 AU0.099 AU38.36 LD14,747,379 km23h08m+10°21'123.0°52.5°
Brightest28 Nov 201922.80.983 AU0.032 AU12.26 LD4,715,270 km21h03m+21°55'82.6°95.6°
Approach3 Dec 201924.00.972 AU0.022 AU8.42 LD3,238,283 km17h38m+27°06'51.3°127.7°

Based on its absolute magnitude (Hₒ) of 26.9 and an albedo between 0.25 and 0.05, the estimated diameter of 2017 AP4 is 10 - 25 m.

2017 AP4- 2019-11-11

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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.