2021 DD1
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest20 Feb 202119.01.002 AU0.013 AU5.17 LD1,985,908 km10h57m+05°39'168.0°11.9°
Approach21 Feb 202119.50.997 AU0.011 AU4.32 LD1,660,800 km11h45m-25°27'138.3°41.2°
Today7 Mar 202126.10.965 AU0.074 AU28.82 LD11,081,330 km20h08m-62°37'66.1°109.9°

Based on its absolute magnitude (Hₒ) of 27.7 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 DD1 is 8 - 18 m.

2021 DD1- 2021-03-07

-1 year
-1 month
-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.