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Stellar Occultation by (590) Tomyris on 2023-10-11 (02:03:17 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] : 253ef4a0-ddb4-11f0-547e-272ecfd7aa0f [observed] Occultation Date + Time : 2023-10-11 at 02:03:17 UT +/- 0.0 min [1] Object Designation : (590) Tomyris Star Designation : GDR3 2490981220935629056 Star Coordinates (ICRF) : RA = 02 05 14.3966, DE = -05 10 50.533 [2] Star Magnitudes : G = 11.64 mag, RP = 11.24 mag, BP = 11.88 mag Object Magnitude : V = 14.23 mag Estimated Magnitude Drop : 2.7 mag Estimated Max. Duration : 3.5 sec Speed of the shadow : 11.5 km/s Object Mean Diameter : 39.9 km (src: astorb) => apparent = 29 mas Apparent Motion : 0.5000 arcs/min @ PA = 246 deg Horizontal Parallax : 4.6100 arcs Dynamical Class : MBA Elongation to Moon & Sun : 129° (sunlit = 12%), Sun = 161° Cross-track uncertainty : 0.7 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.84 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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