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Stellar Occultation by (5447) Lallement on 2023-10-31 (00:43:15 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] : 3116b970-ddb4-11f0-547e-c9dcf3dbe8b4 [observed] Occultation Date + Time : 2023-10-31 at 00:43:15 UT +/- 0.01 min [1] Object Designation : (5447) Lallement Star Designation : GDR3 0185734967362337408 Star Coordinates (ICRF) : RA = 05 07 46.3983, DE = +36 38 44.512 [2] Star Magnitudes : G = 12.87 mag, RP = 12.46 mag, BP = 13.12 mag Object Magnitude : V = 17.09 mag Estimated Magnitude Drop : 4.2 mag Estimated Max. Duration : 1.7 sec Speed of the shadow : 6.0 km/s Object Mean Diameter : 10.4 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.2517 arcs/min @ PA = 308 deg Horizontal Parallax : 4.4750 arcs Dynamical Class : MBA Elongation to Moon & Sun : 17° (sunlit = 94%), Sun = 136° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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