2021 JJ
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today22 Apr 202421.81.090 AU0.096 AU37.17 LD14,291,574 km15h12m+09°14'151.8°25.8°
Brightest9 May 202419.71.057 AU0.048 AU18.75 LD7,209,858 km15h43m-24°30'168.7°10.8°
Approach15 May 202420.11.049 AU0.044 AU17.00 LD6,535,600 km16h11m-47°59'149.6°29.2°

Based on its absolute magnitude (Hₒ) of 25.5 and an albedo between 0.25 and 0.05, the estimated diameter of 2021 JJ is 20 - 45 m.

2021 JJ- 2024-04-22

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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.