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Stellar Occultation by (1556) Wingolfia on 2023-09-25 (01:55:28 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] : 116a0d20-ddb4-11f0-547e-6a2e67fa4579 [observed] Occultation Date + Time : 2023-09-25 at 01:55:28 UT +/- 0.0 min [1] Object Designation : (1556) Wingolfia Star Designation : GDR3 0865799543552459008 Star Coordinates (ICRF) : RA = 07 34 53.3250, DE = +22 51 49.482 [2] Star Magnitudes : G = 11.23 mag, RP = 10.6 mag, BP = 11.7 mag Object Magnitude : V = 16.8 mag Estimated Magnitude Drop : 5.6 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 24.6 km/s Object Mean Diameter : 28.6 km (src: astorb) => apparent = 11 mas Apparent Motion : 0.5567 arcs/min @ PA = 88 deg Horizontal Parallax : 2.4040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 170° (sunlit = 75%), Sun = 70° Cross-track uncertainty : 0.4 mas = 1 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.62 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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