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Stellar Occultation by (239977) 2001 QO329 on 2025-11-23 (22:40:45 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] : c28bfb00-ddb8-11f0-547e-f36c7fbfd7da [observed] Occultation Date + Time : 2025-11-23 at 22:40:45 UT +/- 0.07 min [1] Object Designation : (239977) 2001 QO329 Star Designation : GDR3 3327393322647276032 Star Coordinates (ICRF) : RA = 06 24 05.6860, DE = +09 30 36.415 [2] Star Magnitudes : G = 12.89 mag, RP = 12.55 mag, BP = 13.1 mag Object Magnitude : V = 20.71 mag Estimated Magnitude Drop : 7.8 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3300 arcs/min @ PA = 263 deg Horizontal Parallax : 3.3380 arcs Dynamical Class : MBA Elongation to Moon & Sun : 161° (sunlit = 12%), Sun = 143° Cross-track uncertainty : 20.3 mas = 38 km = 12.93 path-width (1-sig) RUWE and duplicate source : 1.05 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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