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Stellar Occultation by (1637) Swings on 2023-10-04 (00:20:47 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] : 2473b560-ddb4-11f0-547e-e773f7ecf9ae [observed] Occultation Date + Time : 2023-10-04 at 00:20:47 UT +/- 0.01 min [1] Object Designation : (1637) Swings Star Designation : GDR3 3449726979215474432 Star Coordinates (ICRF) : RA = 05 37 09.9645, DE = +35 06 43.143 [2] Star Magnitudes : G = 13.86 mag, RP = 13.18 mag, BP = 14.4 mag Object Magnitude : V = 16.12 mag Estimated Magnitude Drop : 2.4 mag Estimated Max. Duration : 4.4 sec Speed of the shadow : 10.4 km/s Object Mean Diameter : 45.5 km (src: astorb) => apparent = 22 mas Apparent Motion : 0.3050 arcs/min @ PA = 41 deg Horizontal Parallax : 3.1200 arcs Dynamical Class : MBA Elongation to Moon & Sun : 16° (sunlit = 75%), Sun = 105° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#75 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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