2001 CA21
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Approach11 Oct 201915.11.004 AU0.053 AU20.66 LD7,943,891 km06h08m-46°50'94.5°82.4°
Today13 Oct 201914.71.021 AU0.056 AU21.83 LD8,393,334 km04h26m-42°00'113.4°63.7°
Brightest13 Oct 201914.51.037 AU0.063 AU24.55 LD9,437,674 km03h23m-35°19'127.1°50.1°

Based on its absolute magnitude (Hₒ) of 18.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2001 CA21 is 505 - 1135 m.

2001 CA21- 2019-10-13

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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.