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Stellar Occultation by (930) Westphalia on 2024-10-20 (00:25:19 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] : 9713ed50-ddb5-11f0-547e-e28076fbaaaa [observed] Occultation Date + Time : 2024-10-20 at 00:25:19 UT +/- 0.02 min [1] Object Designation : (930) Westphalia Star Designation : GDR3 0252648053872412800 Star Coordinates (ICRF) : RA = 04 32 53.8577, DE = +43 49 46.447 [2] Star Magnitudes : G = 12.84 mag, RP = 11.58 mag, BP = 12.53 mag Object Magnitude : V = 15.41 mag Estimated Magnitude Drop : 2.7 mag Estimated Max. Duration : 4.6 sec Speed of the shadow : 7.9 km/s Object Mean Diameter : 36.5 km (src: astorb) => apparent = 29 mas Apparent Motion : 0.3800 arcs/min @ PA = 321 deg Horizontal Parallax : 5.1290 arcs Dynamical Class : MBA Elongation to Moon & Sun : 20° (sunlit = 91%), Sun = 130° Cross-track uncertainty : 3.7 mas = 4 km = 0.13 path-width (1-sig) RUWE and duplicate source : 28.51 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#86 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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