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Stellar Occultation by (74193) 1998 RW45 on 2024-12-19 (03:20:26 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] : c2481b90-ddb5-11f0-547e-59e57a9fee38 [observed] Occultation Date + Time : 2024-12-19 at 03:20:26 UT +/- 0.02 min [1] Object Designation : (74193) 1998 RW45 Star Designation : GDR3 0656739914473739520 Star Coordinates (ICRF) : RA = 08 06 46.7740, DE = +16 59 11.630 [2] Star Magnitudes : G = 10.75 mag, RP = 10.08 mag, BP = 11.27 mag Object Magnitude : V = 19.82 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 7.9 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3850 arcs/min @ PA = 276 deg Horizontal Parallax : 5.2050 arcs Dynamical Class : MBA Elongation to Moon & Sun : 16° (sunlit = 84%), Sun = 147° Cross-track uncertainty : 1.7 mas = 2 km = 0.91 path-width (1-sig) RUWE and duplicate source : 0.98 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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