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Stellar Occultation by (139666) 2001 QG192 on 2023-10-30 (20:10:07 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] : 31775000-ddb4-11f0-547e-1c2d6feeb4db [observed] Occultation Date + Time : 2023-10-30 at 20:10:07 UT +/- 0.01 min [1] Object Designation : (139666) 2001 QG192 Star Designation : GDR3 0174518372508211200 Star Coordinates (ICRF) : RA = 04 36 01.5826, DE = +34 25 48.684 [2] Star Magnitudes : G = 11.21 mag, RP = 10.49 mag, BP = 11.79 mag Object Magnitude : V = 17.57 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 3.4 km/s Object Mean Diameter : 4.2 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.2267 arcs/min @ PA = 239 deg Horizontal Parallax : 6.9900 arcs Dynamical Class : MBA Elongation to Moon & Sun : 13° (sunlit = 95%), Sun = 143° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#48 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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