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Stellar Occultation by (821) Fanny on 2023-08-21 (20:49:14 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] : fb010d40-ddb3-11f0-547e-d5b1e897e549 [observed] Occultation Date + Time : 2023-08-21 at 20:49:14 UT +/- 0.02 min [1] Object Designation : (821) Fanny Star Designation : GDR3 4185441339302061440 Star Coordinates (ICRF) : RA = 19 15 07.9158, DE = -13 51 04.676 [2] Star Magnitudes : G = 13.58 mag, RP = 12.77 mag, BP = 14.3 mag Object Magnitude : V = 15.57 mag Estimated Magnitude Drop : 2.2 mag Estimated Max. Duration : 4.7 sec Speed of the shadow : 3.1 km/s Object Mean Diameter : 14.5 km (src: astorb) => apparent = 13 mas Apparent Motion : 0.1667 arcs/min @ PA = 215 deg Horizontal Parallax : 5.6890 arcs Dynamical Class : MBA Elongation to Moon & Sun : 80° (sunlit = 25%), Sun = 139° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#76 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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