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Stellar Occultation by (1665) Gaby on 2025-08-27 (22:00:37 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] : 55ac6340-ddb7-11f0-547e-44ec73ff2f3b [observed] Occultation Date + Time : 2025-08-27 at 22:00:37 UT +/- 0.01 min [1] Object Designation : (1665) Gaby Star Designation : GDR3 6761617905184237952 Star Coordinates (ICRF) : RA = 18 55 42.5970, DE = -29 31 33.760 [2] Star Magnitudes : G = 10.81 mag, RP = 10.37 mag, BP = 11.09 mag Object Magnitude : V = 16.66 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 4.5 sec Speed of the shadow : 3.2 km/s Object Mean Diameter : 14.6 km (src: astorb) => apparent = 9 mas Apparent Motion : 0.1250 arcs/min @ PA = 256 deg Horizontal Parallax : 4.1240 arcs Dynamical Class : MBA Elongation to Moon & Sun : 74° (sunlit = 20%), Sun = 127° Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#69 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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