(138971) 2001 CB21
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Today23 Oct 202121.01.378 AU1.115 AU433.79 LD166,779,355 km08h54m+27°36'81.3°45.5°
Brightest28 Feb 202214.01.003 AU0.041 AU16.11 LD6,194,306 km15h51m+27°49'105.6°72.2°
Approach4 Mar 202214.90.981 AU0.033 AU12.75 LD4,903,151 km18h29m+17°16'70.6°107.6°

Based on its absolute magnitude (Hₒ) of 18.4 and an albedo between 0.25 and 0.05, the estimated diameter of (138971) 2001 CB21 is 560 - 1255 m.

(138971) 2001 CB21- 2021-10-23
astro.vanbuitenen.nl


 
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