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Stellar Occultation by (36461) 2000 QC9 on 2025-10-04 (22:00:37 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] : 8640ccc0-ddb8-11f0-547e-e4dc67ffd6eb [observed] Occultation Date + Time : 2025-10-04 at 22:00:37 UT +/- 0.02 min [1] Object Designation : (36461) 2000 QC9 Star Designation : GDR3 3441452501380196864 Star Coordinates (ICRF) : RA = 05 43 10.9236, DE = +27 11 21.061 [2] Star Magnitudes : G = 11.53 mag, RP = 11.02 mag, BP = 11.86 mag Object Magnitude : V = 19.71 mag Estimated Magnitude Drop : 8.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 7.8 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3467 arcs/min @ PA = 73 deg Horizontal Parallax : 4.7360 arcs Dynamical Class : MBA Elongation to Moon & Sun : 105° (sunlit = 93%), Sun = 106° Cross-track uncertainty : 0.8 mas = 1 km = 0.37 path-width (1-sig) RUWE and duplicate source : 2.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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