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Stellar Occultation by (55760) 1992 BL1 on 2023-08-21 (22:33:08 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] : f3edae50-ddb3-11f0-547e-3d61fafe8945 [observed] Occultation Date + Time : 2023-08-21 at 22:33:08 UT +/- 0.01 min [1] Object Designation : (55760) 1992 BL1 Star Designation : GDR3 4107103060042966016 Star Coordinates (ICRF) : RA = 18 40 25.6384, DE = -10 40 18.913 [2] Star Magnitudes : G = 13.87 mag, RP = 12.53 mag, BP = 16.04 mag Object Magnitude : V = 17.79 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 11.3 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.4883 arcs/min @ PA = 210 deg Horizontal Parallax : 4.5760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 71° (sunlit = 26%), Sun = 130° Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#59 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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