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Stellar Occultation by (33757) 1999 RB52 on 2022-12-13 (02:32:23 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] : 3898fc40-ddb3-11f0-547e-50633beee7c3 [observed]

 Occultation Date + Time   : 2022-12-13 at 02:32:23 UT +/- 0.01 min  [1]
 Object Designation        : (33757) 1999 RB52
 Star Designation          : GDR3 3375958407647121536
 Star Coordinates (ICRF)   : RA = 06 20 20.8106, DE = +21 15 16.946  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 13.02 mag, BP = 14.35 mag
 Object Magnitude          : V = 17.48 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 9.8 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4917 arcs/min @ PA = 276 deg
 Horizontal Parallax       : 5.3400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 41° (sunlit = 79%), Sun = 166°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

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


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