(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
astro.vanbuitenen.nl


 
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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.

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The light curve chart below shows the estimated development of the NEO's magnitude during its approach to earth.


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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.