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Stellar Occultation by (409039) 2003 QM117 on 2024-09-13 (20:54:44 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] : 60455160-ddb5-11f0-547e-d4389dfff5e7 [observed] Occultation Date + Time : 2024-09-13 at 20:54:44 UT +/- 0.86 min [1] Object Designation : (409039) 2003 QM117 Star Designation : GDR3 6747926786376161536 Star Coordinates (ICRF) : RA = 19 43 51.7536, DE = -32 24 14.320 [2] Star Magnitudes : G = 10.68 mag, RP = 9.57 mag, BP = 11.93 mag Object Magnitude : V = 20.75 mag Estimated Magnitude Drop : 10.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 8.1 km/s Object Mean Diameter : 2.2 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.3233 arcs/min @ PA = 7 deg Horizontal Parallax : 4.2280 arcs Dynamical Class : MBA Elongation to Moon & Sun : 6° (sunlit = 76%), Sun = 120° Cross-track uncertainty : 25.7 mas = 38 km = 17.62 path-width (1-sig) RUWE and duplicate source : 1.22 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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