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Stellar Occultation by (165131) 2000 KQ57 on 2025-11-12 (03:47:02 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] : b9ef3cf0-ddb8-11f0-547e-60dd9fffe487 [observed] Occultation Date + Time : 2025-11-12 at 03:47:02 UT +/- 0.1 min [1] Object Designation : (165131) 2000 KQ57 Star Designation : GDR3 3343394034327705600 Star Coordinates (ICRF) : RA = 05 59 56.8827, DE = +12 33 24.713 [2] Star Magnitudes : G = 12.81 mag, RP = 12.46 mag, BP = 13.03 mag Object Magnitude : V = 21.47 mag Estimated Magnitude Drop : 8.7 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.3 km/s Object Mean Diameter : 2.6 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.2917 arcs/min @ PA = 245 deg Horizontal Parallax : 3.0040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 51° (sunlit = 51%), Sun = 139° Cross-track uncertainty : 22.7 mas = 48 km = 18.54 path-width (1-sig) RUWE and duplicate source : 1.52 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#30 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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