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Stellar Occultation by (494) Virtus on 2025-10-11 (19:10:00 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] : 910d1500-ddb8-11f0-547e-88b05fbf3d32 [observed] Occultation Date + Time : 2025-10-11 at 19:10:00 UT +/- 0.02 min [1] Object Designation : (494) Virtus Star Designation : GDR3 6802577668234122624 Star Coordinates (ICRF) : RA = 20 59 32.3824, DE = -25 28 27.850 [2] Star Magnitudes : G = 12.75 mag, RP = 12.2 mag, BP = 13.13 mag Object Magnitude : V = 14.47 mag Estimated Magnitude Drop : 1.9 mag Estimated Max. Duration : 11.4 sec Speed of the shadow : 7.5 km/s Object Mean Diameter : 85.5 km (src: astorb) => apparent = 49 mas Apparent Motion : 0.2583 arcs/min @ PA = 42 deg Horizontal Parallax : 3.6480 arcs Dynamical Class : MBA Elongation to Moon & Sun : 133° (sunlit = 72%), Sun = 111° Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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