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Stellar Occultation by (197275) 2003 WQ97 on 2025-11-09 (22:22:22 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] : aff9f3c0-ddb8-11f0-547e-9bcedbbf80f8 [observed] Occultation Date + Time : 2025-11-09 at 22:22:22 UT +/- 0.45 min [1] Object Designation : (197275) 2003 WQ97 Star Designation : GDR3 3352770635130827776 Star Coordinates (ICRF) : RA = 06 42 49.0728, DE = +13 37 15.833 [2] Star Magnitudes : G = 12.78 mag, RP = 11.99 mag, BP = 13.46 mag Object Magnitude : V = 20.99 mag Estimated Magnitude Drop : 8.2 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 4.2 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.1517 arcs/min @ PA = 211 deg Horizontal Parallax : 3.7890 arcs Dynamical Class : MBA Elongation to Moon & Sun : 16° (sunlit = 75%), Sun = 127° Cross-track uncertainty : 24.3 mas = 40 km = 17.78 path-width (1-sig) RUWE and duplicate source : 1.07 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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