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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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