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Stellar Occultation by (296169) 2009 BS133 on 2023-09-16 (19:56:47 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] : 0b9066b0-ddb4-11f0-547e-aa1a83ffb044 [observed]

 Occultation Date + Time   : 2023-09-16 at 19:56:47 UT +/- 0.07 min  [1]
 Object Designation        : (296169) 2009 BS133
 Star Designation          : GDR3 0094889438320689152
 Star Coordinates (ICRF)   : RA = 01 37 52.6622, DE = +18 03 55.821  [2]
 Star Magnitudes           : G = 12.67 mag, RP = 12.21 mag, BP = 12.97 mag
 Object Magnitude          : V = 21.1 mag
 Estimated Magnitude Drop  : 8.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.4 km/s
 Object Mean Diameter      : 2.1 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2967 arcs/min @ PA = 265 deg
 Horizontal Parallax       : 3.7620 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 162° (sunlit = 3%), Sun = 144°
 Cross-track uncertainty   : 21.0 mas = 35 km = 16.95 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#21
 Note                      : FP:true

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


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