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Stellar Occultation by (5457) Queen's on 2023-09-04 (22:18:07 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] : 17400a10-ddb4-11f0-547e-97b96e7f9136 [observed] Occultation Date + Time : 2023-09-04 at 22:18:07 UT +/- 0.0 min [1] Object Designation : (5457) Queen's Star Designation : GDR3 2750746718513211520 Star Coordinates (ICRF) : RA = 00 30 31.5426, DE = +09 27 57.185 [2] Star Magnitudes : G = 12.44 mag, RP = 11.95 mag, BP = 12.77 mag Object Magnitude : V = 16.87 mag Estimated Magnitude Drop : 4.5 mag Estimated Max. Duration : 1.4 sec Speed of the shadow : 9.0 km/s Object Mean Diameter : 12.2 km (src: astorb) => apparent = 8 mas Apparent Motion : 0.3567 arcs/min @ PA = 253 deg Horizontal Parallax : 4.2020 arcs Dynamical Class : MBA Elongation to Moon & Sun : 37° (sunlit = 71%), Sun = 151° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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