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Stellar Occultation by (93248) 2000 SD157 on 2024-08-11 (21:43:32 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] : 3eea0ab0-ddb5-11f0-547e-c22eafbf0fd5 [observed] Occultation Date + Time : 2024-08-11 at 21:43:32 UT +/- 0.01 min [1] Object Designation : (93248) 2000 SD157 Star Designation : GDR3 4218725823997460608 Star Coordinates (ICRF) : RA = 20 32 20.6199, DE = -03 52 54.805 [2] Star Magnitudes : G = 14.08 mag, RP = 13.43 mag, BP = 14.57 mag Object Magnitude : V = 17.69 mag Estimated Magnitude Drop : 3.7 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 8.0 km/s Object Mean Diameter : 3.1 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5817 arcs/min @ PA = 279 deg Horizontal Parallax : 7.7350 arcs Dynamical Class : MBA Elongation to Moon & Sun : 89° (sunlit = 43%), Sun = 162° Cross-track uncertainty : 2.3 mas = 1 km = 0.61 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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