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Stellar Occultation by (690) Wratislavia on 2025-09-06 (20:13:45 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] : 66868150-ddb7-11f0-547e-4014f5b71e7c [observed] Occultation Date + Time : 2025-09-06 at 20:13:45 UT +/- 0.01 min [1] Object Designation : (690) Wratislavia Star Designation : GDR3 4323535494308110848 Star Coordinates (ICRF) : RA = 16 29 35.7845, DE = -18 55 38.371 [2] Star Magnitudes : G = 14.92 mag, RP = 14.06 mag, BP = 15.57 mag Object Magnitude : V = 14.03 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 7.6 sec Speed of the shadow : 17.7 km/s Object Mean Diameter : 135.0 km (src: astorb) => apparent = 60 mas Apparent Motion : 0.4750 arcs/min @ PA = 93 deg Horizontal Parallax : 2.8510 arcs Dynamical Class : MBA Elongation to Moon & Sun : 84° (sunlit = 99%), Sun = 84° Cross-track uncertainty : 1.0 mas = 2 km = 0.02 path-width (1-sig) RUWE and duplicate source : 4.64 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#83 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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