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Stellar Occultation by (234753) 2002 OQ1 on 2025-10-21 (02:35:45 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] : 96fb2dd0-ddb8-11f0-547e-c808f1fef688 [observed] Occultation Date + Time : 2025-10-21 at 02:35:45 UT +/- 0.02 min [1] Object Designation : (234753) 2002 OQ1 Star Designation : GDR3 0288714612240168576 Star Coordinates (ICRF) : RA = 01 31 26.7244, DE = +21 26 34.488 [2] Star Magnitudes : G = 14.03 mag, RP = 13.5 mag, BP = 14.39 mag Object Magnitude : V = 18.89 mag Estimated Magnitude Drop : 4.9 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.4 km/s Object Mean Diameter : 3.3 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5300 arcs/min @ PA = 236 deg Horizontal Parallax : 4.9360 arcs Dynamical Class : MBA Elongation to Moon & Sun : 170° (sunlit = 0%), Sun = 169° Cross-track uncertainty : 2.3 mas = 2 km = 0.90 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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