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Stellar Occultation by (256) Walpurga on 2024-08-11 (01:17:26 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] : 4c2900a0-ddb5-11f0-547e-cf997fd2cd08 [observed] Occultation Date + Time : 2024-08-11 at 01:17:26 UT +/- 0.0 min [1] Object Designation : (256) Walpurga Star Designation : GDR3 3296126819720545280 Star Coordinates (ICRF) : RA = 04 53 12.4792, DE = +12 36 05.000 [2] Star Magnitudes : G = 13.65 mag, RP = 12.9 mag, BP = 14.27 mag Object Magnitude : V = 16.05 mag Estimated Magnitude Drop : 2.5 mag Estimated Max. Duration : 2.3 sec Speed of the shadow : 28.2 km/s Object Mean Diameter : 63.3 km (src: astorb) => apparent = 25 mas Apparent Motion : 0.6700 arcs/min @ PA = 96 deg Horizontal Parallax : 2.5270 arcs Dynamical Class : MBA Elongation to Moon & Sun : 136° (sunlit = 35%), Sun = 66° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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