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Stellar Occultation by (12864) Ryandrake on 2025-08-30 (21:01:12 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] : 59818720-ddb7-11f0-547e-14942fba18c6 [observed] Occultation Date + Time : 2025-08-30 at 21:01:12 UT +/- 0.02 min [1] Object Designation : (12864) Ryandrake Star Designation : GDR3 4188520040562316672 Star Coordinates (ICRF) : RA = 19 55 05.0410, DE = -13 24 12.266 [2] Star Magnitudes : G = 9.92 mag, RP = 9.43 mag, BP = 10.23 mag Object Magnitude : V = 18.01 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 6.1 km/s Object Mean Diameter : 5.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3133 arcs/min @ PA = 214 deg Horizontal Parallax : 5.4840 arcs Dynamical Class : MBA Elongation to Moon & Sun : 56° (sunlit = 46%), Sun = 140° Cross-track uncertainty : 0.7 mas = 0 km = 0.16 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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