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Stellar Occultation by (175354) 2005 OS15 on 2023-11-19 (18:01:35 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] : 3ac50e90-ddb4-11f0-547e-b01cfbba0b31 [observed] Occultation Date + Time : 2023-11-19 at 18:01:35 UT +/- 0.08 min [1] Object Designation : (175354) 2005 OS15 Star Designation : GDR3 0198956422891577472 Star Coordinates (ICRF) : RA = 04 58 22.0697, DE = +38 43 41.994 [2] Star Magnitudes : G = 13.05 mag, RP = 12.38 mag, BP = 13.51 mag Object Magnitude : V = 19.6 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 12.2 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4800 arcs/min @ PA = 250 deg Horizontal Parallax : 4.1700 arcs Dynamical Class : MBA Elongation to Moon & Sun : 120° (sunlit = 42%), Sun = 154° Cross-track uncertainty : 30.7 mas = 46 km = 13.81 path-width (1-sig) RUWE and duplicate source : 7.49 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#28 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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