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Stellar Occultation by (3371) Giacconi on 2024-12-29 (19:30:09 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] : d558efc0-ddb5-11f0-547e-bdf4afafa09f [observed] Occultation Date + Time : 2024-12-29 at 19:30:09 UT +/- 0.0 min [1] Object Designation : (3371) Giacconi Star Designation : GDR3 0866587064459065856 Star Coordinates (ICRF) : RA = 07 33 47.3121, DE = +23 26 32.173 [2] Star Magnitudes : G = 12.32 mag, RP = 11.86 mag, BP = 12.62 mag Object Magnitude : V = 16.2 mag Estimated Magnitude Drop : 3.9 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 12.4 km/s Object Mean Diameter : 12.0 km (src: astorb) => apparent = 9 mas Apparent Motion : 0.5667 arcs/min @ PA = 266 deg Horizontal Parallax : 4.8530 arcs Dynamical Class : MBA Elongation to Moon & Sun : 153° (sunlit = 1%), Sun = 167° Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#73 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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