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Stellar Occultation by (40956) Ericamsel on 2023-05-27 (02:04:28 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] : 9dfcf2d0-ddb3-11f0-547e-19b62def9372 [observed] Occultation Date + Time : 2023-05-27 at 02:04:28 UT +/- 0.0 min [1] Object Designation : (40956) Ericamsel Star Designation : GDR3 4095478473289988224 Star Coordinates (ICRF) : RA = 18 11 57.1847, DE = -19 00 18.592 [2] Star Magnitudes : G = 10.32 mag, RP = 8.98 mag, BP = 12.44 mag Object Magnitude : V = 18.25 mag Estimated Magnitude Drop : 7.9 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 6.9 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4133 arcs/min @ PA = 240 deg Horizontal Parallax : 6.3600 arcs Dynamical Class : MBA Elongation to Moon & Sun : 123° (sunlit = 45%), Sun = 152° Cross-track uncertainty : 0.4 mas = 0 km = 0.12 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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