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Stellar Occultation by (217553) 2007 GA47 on 2025-09-19 (21:54:07 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] : 74310a50-ddb7-11f0-547e-597c6f7b979d [observed] Occultation Date + Time : 2025-09-19 at 21:54:07 UT +/- 0.09 min [1] Object Designation : (217553) 2007 GA47 Star Designation : GDR3 1740910636328845440 Star Coordinates (ICRF) : RA = 21 35 21.4051, DE = +08 39 28.321 [2] Star Magnitudes : G = 11.0 mag, RP = 10.61 mag, BP = 11.22 mag Object Magnitude : V = 19.96 mag Estimated Magnitude Drop : 9.0 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.7 km/s Object Mean Diameter : 2.6 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5050 arcs/min @ PA = 210 deg Horizontal Parallax : 4.5960 arcs Dynamical Class : MBA Elongation to Moon & Sun : 156° (sunlit = 4%), Sun = 145° Cross-track uncertainty : 19.7 mas = 27 km = 10.51 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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