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Stellar Occultation by (23880) Tongil on 2024-10-09 (19:10:17 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] : 7ed1e7b0-ddb5-11f0-547e-6b2f0ffb3d97 [observed] Occultation Date + Time : 2024-10-09 at 19:10:17 UT +/- 0.01 min [1] Object Designation : (23880) Tongil Star Designation : GDR3 6896866219153886592 Star Coordinates (ICRF) : RA = 21 13 09.5187, DE = -08 36 41.474 [2] Star Magnitudes : G = 10.39 mag, RP = 9.65 mag, BP = 11.01 mag Object Magnitude : V = 16.71 mag Estimated Magnitude Drop : 6.3 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 7.6 km/s Object Mean Diameter : 8.9 km (src: astorb) => apparent = 8 mas Apparent Motion : 0.4033 arcs/min @ PA = 132 deg Horizontal Parallax : 5.6400 arcs Dynamical Class : MBA Elongation to Moon & Sun : 45° (sunlit = 40%), Sun = 121° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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