(1620) Geographos
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach31 Aug 201914.21.022 AU0.137 AU53.46 LD20,553,140 km16h20m-34°03'91.3°81.0°
Brightest7 Sep 201913.91.057 AU0.149 AU57.79 LD22,219,306 km17h58m-24°53'105.5°66.7°
Today19 Sep 201914.41.121 AU0.210 AU81.77 LD31,436,024 km19h39m-09°47'118.8°51.7°

Based on its absolute magnitude (Hₒ) of 15.6 and an albedo between 0.25 and 0.05, the estimated diameter of (1620) Geographos is 2 - 5 km.

(1620) Geographos- 2019-09-19

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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.