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Stellar Occultation by (196553) 2003 QO7 on 2025-12-13 (20:09:35 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] : d83a3660-ddb8-11f0-547e-8573763d8619 [observed] Occultation Date + Time : 2025-12-13 at 20:09:35 UT +/- 0.08 min [1] Object Designation : (196553) 2003 QO7 Star Designation : GDR3 0204853039327369856 Star Coordinates (ICRF) : RA = 04 45 19.9130, DE = +44 05 09.420 [2] Star Magnitudes : G = 13.51 mag, RP = 12.54 mag, BP = 14.47 mag Object Magnitude : V = 19.49 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 12.2 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5333 arcs/min @ PA = 250 deg Horizontal Parallax : 4.6470 arcs Dynamical Class : MBA Elongation to Moon & Sun : 117° (sunlit = 31%), Sun = 158° Cross-track uncertainty : 26.3 mas = 36 km = 12.03 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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