(161989) Cacus
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today23 Oct 202119.51.349 AU0.943 AU366.97 LD141,089,298 km07h42m-18°10'88.2°47.5°
Approach1 Sep 202213.51.027 AU0.058 AU22.39 LD8,610,092 km03h22m+15°02'106.3°70.7°
Brightest3 Sep 202213.41.034 AU0.060 AU23.29 LD8,955,661 km03h14m-00°49'113.2°63.7°

Based on its absolute magnitude (Hₒ) of 17.2 and an albedo between 0.25 and 0.05, the estimated diameter of (161989) Cacus is 985 - 2200 m.

(161989) Cacus- 2021-10-23

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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.