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Stellar Occultation by (123857) 2001 CB43 on 2023-08-13 (23:32:02 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : ef5b06d0-ddb3-11f0-547e-da987bfe6a6c [observed]

 Occultation Date + Time   : 2023-08-13 at 23:32:02 UT +/- 0.01 min  [1]
 Object Designation        : (123857) 2001 CB43
 Star Designation          : GDR3 6753878575957446016
 Star Coordinates (ICRF)   : RA = 20 01 04.4640, DE = -27 32 20.969  [2]
 Star Magnitudes           : G = 12.47 mag, RP = 11.72 mag, BP = 13.09 mag
 Object Magnitude          : V = 19.54 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4333 arcs/min @ PA = 245 deg
 Horizontal Parallax       : 3.8370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 177° (sunlit = 5%), Sun = 155°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#46
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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