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Stellar Occultation by (187) Lamberta on 2025-10-06 (23:38:18 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] : 92ee3110-ddb8-11f0-547e-bf357f1f9693 [observed] Occultation Date + Time : 2025-10-06 at 23:38:18 UT +/- 0.01 min [1] Object Designation : (187) Lamberta Star Designation : GDR3 3451057899383526144 Star Coordinates (ICRF) : RA = 05 57 23.1700, DE = +32 43 11.357 [2] Star Magnitudes : G = 14.58 mag, RP = 14.01 mag, BP = 14.97 mag Object Magnitude : V = 14.09 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 14.4 sec Speed of the shadow : 9.1 km/s Object Mean Diameter : 131.2 km (src: astorb) => apparent = 64 mas Apparent Motion : 0.2683 arcs/min @ PA = 51 deg Horizontal Parallax : 3.1180 arcs Dynamical Class : MBA Elongation to Moon & Sun : 78° (sunlit = 100%), Sun = 104° 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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