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Stellar Occultation by (187) Lamberta on 2025-08-24 (03:33:23 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] : 50ccfb50-ddb7-11f0-547e-d48bf6fe05b0 [observed] Occultation Date + Time : 2025-08-24 at 03:33:23 UT +/- 0.0 min [1] Object Designation : (187) Lamberta Star Designation : GDR3 3446602785645082880 Star Coordinates (ICRF) : RA = 05 23 16.0011, DE = +30 01 44.860 [2] Star Magnitudes : G = 14.96 mag, RP = 14.09 mag, BP = 15.74 mag Object Magnitude : V = 14.56 mag Estimated Magnitude Drop : 0.6 mag Estimated Max. Duration : 5.2 sec Speed of the shadow : 25.2 km/s Object Mean Diameter : 131.2 km (src: astorb) => apparent = 52 mas Apparent Motion : 0.5983 arcs/min @ PA = 76 deg Horizontal Parallax : 2.5190 arcs Dynamical Class : MBA Elongation to Moon & Sun : 80° (sunlit = 1%), Sun = 69° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#131 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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