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Stellar Occultation by (293947) 2007 TO23 on 2023-09-20 (23:45:30 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] : 0ec13440-ddb4-11f0-547e-cf5ff7fe01ee [observed] Occultation Date + Time : 2023-09-20 at 23:45:30 UT +/- 0.17 min [1] Object Designation : (293947) 2007 TO23 Star Designation : GDR3 0353951420256282240 Star Coordinates (ICRF) : RA = 02 18 50.1858, DE = +47 11 38.140 [2] Star Magnitudes : G = 13.83 mag, RP = 13.22 mag, BP = 14.28 mag Object Magnitude : V = 19.46 mag Estimated Magnitude Drop : 5.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 13.2 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5283 arcs/min @ PA = 338 deg Horizontal Parallax : 4.2620 arcs Dynamical Class : MBA Elongation to Moon & Sun : 148° (sunlit = 31%), Sun = 122° Cross-track uncertainty : 29.7 mas = 44 km = 11.70 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#28 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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