2017 US
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach13 Sep 202023.90.985 AU0.045 AU17.54 LD6,743,831 km15h28m-08°16'61.1°116.6°
Today21 Sep 202023.00.999 AU0.051 AU19.87 LD7,638,731 km17h20m-15°40'82.4°94.7°
Brightest23 Sep 202023.01.003 AU0.056 AU21.68 LD8,335,922 km17h54m-17°11'87.9°88.9°

Based on its absolute magnitude (Hₒ) of 26.1 and an albedo between 0.25 and 0.05, the estimated diameter of 2017 US is 15 - 35 m.

2017 US- 2020-09-21
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.