(415029) 2011 UL21
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today16 Apr 202417.90.847 AU0.982 AU382.08 LD146,898,621 km04h53m-01°58'50.5°66.1°
Approach27 Jun 202411.91.025 AU0.044 AU17.28 LD6,642,455 km12h26m-25°58'99.8°77.7°
Brightest29 Jun 202411.71.037 AU0.048 AU18.74 LD7,206,561 km13h53m-15°24'114.3°63.3°

Based on its absolute magnitude (Hₒ) of 15.9 and an albedo between 0.25 and 0.05, the estimated diameter of (415029) 2011 UL21 is 2 - 4 km.

(415029) 2011 UL21- 2024-04-16

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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.