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Stellar Occultation by (23948) 1998 UQ18 on 2024-11-29 (23:38:55 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] : aedf3c50-ddb5-11f0-547e-90cdb77de4f4 [observed] Occultation Date + Time : 2024-11-29 at 23:38:55 UT +/- 0.0 min [1] Object Designation : (23948) 1998 UQ18 Star Designation : GDR3 0149701604796748928 Star Coordinates (ICRF) : RA = 04 23 01.7810, DE = +25 21 57.767 [2] Star Magnitudes : G = 13.38 mag, RP = 12.67 mag, BP = 13.94 mag Object Magnitude : V = 17.24 mag Estimated Magnitude Drop : 3.9 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 14.5 km/s Object Mean Diameter : 9.0 km (src: astorb) => apparent = 6 mas Apparent Motion : 0.5517 arcs/min @ PA = 273 deg Horizontal Parallax : 4.0570 arcs Dynamical Class : MBA Elongation to Moon & Sun : 166° (sunlit = 2%), Sun = 176° Cross-track uncertainty : 0.7 mas = 1 km = 0.12 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#59 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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