2021 DO
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest18 Feb 202118.41.007 AU0.018 AU7.12 LD2,738,135 km10h21m+10°42'176.7°3.3°
Approach20 Feb 202119.01.004 AU0.017 AU6.50 LD2,497,522 km10h41m-12°51'155.2°24.4°
Today7 Mar 202124.20.991 AU0.075 AU29.06 LD11,173,755 km16h35m-78°09'86.5°89.2°

Based on its absolute magnitude (Hₒ) of 26.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 DO is 10 - 25 m.

2021 DO- 2021-03-07

-1 year
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-1 day
+1 day
+1 month
+1 year

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.