2021 RM5
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest23 Sep 202119.41.035 AU0.032 AU12.56 LD4,827,052 km00h19m+00°38'175.5°4.3°
Approach30 Sep 202120.01.026 AU0.028 AU10.90 LD4,191,936 km01h50m-17°42'150.7°28.5°
Today23 Oct 202122.91.008 AU0.059 AU22.89 LD8,799,356 km06h09m-39°59'101.1°75.6°

Based on its absolute magnitude (Hₒ) of 26.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 RM5 is 15 - 30 m.

2021 RM5- 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.

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.