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Stellar Occultation by (113298) 2002 RQ178 on 2025-11-25 (20:18:54 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] : c6f98e50-ddb8-11f0-547e-52696f6d6f03 [observed] Occultation Date + Time : 2025-11-25 at 20:18:54 UT +/- 0.06 min [1] Object Designation : (113298) 2002 RQ178 Star Designation : GDR3 0119637177320480256 Star Coordinates (ICRF) : RA = 03 31 28.3127, DE = +28 13 09.422 [2] Star Magnitudes : G = 12.39 mag, RP = 11.76 mag, BP = 12.85 mag Object Magnitude : V = 19.06 mag Estimated Magnitude Drop : 6.7 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.0 km/s Object Mean Diameter : 2.6 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5683 arcs/min @ PA = 255 deg Horizontal Parallax : 5.4620 arcs Dynamical Class : MBA Elongation to Moon & Sun : 112° (sunlit = 26%), Sun = 169° Cross-track uncertainty : 22.7 mas = 26 km = 10.20 path-width (1-sig) RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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