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Stellar Occultation by (165743) 2001 QS164 on 2024-11-09 (22:40:17 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] : a0965070-ddb5-11f0-547e-b2a9ff371ab9 [observed] Occultation Date + Time : 2024-11-09 at 22:40:17 UT +/- 0.06 min [1] Object Designation : (165743) 2001 QS164 Star Designation : GDR3 0330276220490105984 Star Coordinates (ICRF) : RA = 01 55 20.4840, DE = +35 46 01.821 [2] Star Magnitudes : G = 9.85 mag, RP = 9.4 mag, BP = 10.12 mag Object Magnitude : V = 18.73 mag Estimated Magnitude Drop : 8.9 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 8.6 km/s Object Mean Diameter : 2.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4983 arcs/min @ PA = 259 deg Horizontal Parallax : 6.1290 arcs Dynamical Class : MBA Elongation to Moon & Sun : 76° (sunlit = 58%), Sun = 156° Cross-track uncertainty : 29.0 mas = 30 km = 10.78 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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