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Stellar Occultation by (5957) Irina on 2023-07-27 (00:34:33 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] : de2cd550-ddb3-11f0-547e-3b1bceef03d7 [observed] Occultation Date + Time : 2023-07-27 at 00:34:33 UT +/- 0.02 min [1] Object Designation : (5957) Irina Star Designation : GDR3 4438177212347821824 Star Coordinates (ICRF) : RA = 16 18 41.9914, DE = +06 16 56.251 [2] Star Magnitudes : G = 8.19 mag, RP = 7.77 mag, BP = 8.45 mag Object Magnitude : V = 17.63 mag Estimated Magnitude Drop : 9.4 mag Estimated Max. Duration : 0.9 sec Speed of the shadow : 12.3 km/s Object Mean Diameter : 10.7 km (src: astorb) => apparent = 6 mas Apparent Motion : 0.4400 arcs/min @ PA = 172 deg Horizontal Parallax : 3.8000 arcs Dynamical Class : MBA Elongation to Moon & Sun : 32° (sunlit = 61%), Sun = 114° Cross-track uncertainty : 0.4 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#66 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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