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Stellar Occultation by (773) Irmintraud on 2023-07-31 (00:28:32 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] : dd47cc80-ddb3-11f0-547e-323afdbfba5d [observed] Occultation Date + Time : 2023-07-31 at 00:28:32 UT +/- 0.0 min [1] Object Designation : (773) Irmintraud Star Designation : GDR3 6840420247121354112 Star Coordinates (ICRF) : RA = 21 56 37.5793, DE = -14 06 03.733 [2] Star Magnitudes : G = 10.63 mag, RP = 9.89 mag, BP = 11.23 mag Object Magnitude : V = 12.88 mag Estimated Magnitude Drop : 2.4 mag Estimated Max. Duration : 8.6 sec Speed of the shadow : 11.2 km/s Object Mean Diameter : 95.9 km (src: astorb) => apparent = 79 mas Apparent Motion : 0.5533 arcs/min @ PA = 278 deg Horizontal Parallax : 5.2660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 44° (sunlit = 95%), Sun = 161° Cross-track uncertainty : 1.3 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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