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Stellar Occultation by (206347) 2003 QL1 on 2025-08-15 (21:24:32 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] : 434f9cd0-ddb7-11f0-547e-9204ff7f4085 [observed] Occultation Date + Time : 2025-08-15 at 21:24:32 UT +/- 0.2 min [1] Object Designation : (206347) 2003 QL1 Star Designation : GDR3 4064321303052252416 Star Coordinates (ICRF) : RA = 17 56 00.8532, DE = -25 41 43.608 [2] Star Magnitudes : G = 10.94 mag, RP = 10.68 mag, BP = 11.07 mag Object Magnitude : V = 19.84 mag Estimated Magnitude Drop : 8.9 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 5.0 km/s Object Mean Diameter : 1.40 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3600 arcs/min @ PA = 61 deg Horizontal Parallax : 7.7040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 140° (sunlit = 54%), Sun = 126° Cross-track uncertainty : 23.7 mas = 19 km = 14.02 path-width (1-sig) RUWE and duplicate source : 0.79 mas, dup.src = 1 (0:false, 1:true) Ephemeris Reference : JPL#23 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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