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Stellar Occultation by (206) Hersilia on 2023-03-29 (03:29:13 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] : 7f4bbd80-ddb3-11f0-547e-2cbd15b7875a [observed] Occultation Date + Time : 2023-03-29 at 03:29:13 UT +/- 0.01 min [1] Object Designation : (206) Hersilia Star Designation : GDR3 4121823420404015488 Star Coordinates (ICRF) : RA = 17 34 05.6042, DE = -18 56 00.592 [2] Star Magnitudes : G = 14.85 mag, RP = 13.91 mag, BP = 15.73 mag Object Magnitude : V = 14.11 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 5.9 sec Speed of the shadow : 9.6 km/s Object Mean Diameter : 56.2 km (src: astorb) => apparent = 32 mas Apparent Motion : 0.3267 arcs/min @ PA = 83 deg Horizontal Parallax : 3.6220 arcs Dynamical Class : MBA Elongation to Moon & Sun : 163° (sunlit = 51%), Sun = 104° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#139 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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