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Stellar Occultation by (218) Bianca on 2025-09-26 (05:20:04 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] : 71d1ef30-ddb8-11f0-547e-23f3b6ffa331 [observed] Occultation Date + Time : 2025-09-26 at 05:20:04 UT +/- 0.01 min [1] Object Designation : (218) Bianca Star Designation : GDR3 3325368571983012608 Star Coordinates (ICRF) : RA = 06 21 17.7854, DE = +07 28 29.079 [2] Star Magnitudes : G = 10.85 mag, RP = 10.13 mag, BP = 11.43 mag Object Magnitude : V = 14.07 mag Estimated Magnitude Drop : 3.3 mag Estimated Max. Duration : 3.4 sec Speed of the shadow : 17.8 km/s Object Mean Diameter : 60.6 km (src: astorb) => apparent = 30 mas Apparent Motion : 0.5250 arcs/min @ PA = 115 deg Horizontal Parallax : 3.1250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 132° (sunlit = 17%), Sun = 88° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#126 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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