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Stellar Occultation by (578) Happelia on 2024-11-15 (02:50:03 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] : a4bc7a80-ddb5-11f0-547e-d93debbe5c61 [observed] Occultation Date + Time : 2024-11-15 at 02:50:03 UT +/- 0.0 min [1] Object Designation : (578) Happelia Star Designation : GDR3 3443734125449385088 Star Coordinates (ICRF) : RA = 05 57 09.5305, DE = +29 48 26.573 [2] Star Magnitudes : G = 13.38 mag, RP = 12.67 mag, BP = 13.94 mag Object Magnitude : V = 14.55 mag Estimated Magnitude Drop : 1.5 mag Estimated Max. Duration : 6.9 sec Speed of the shadow : 10.1 km/s Object Mean Diameter : 69.3 km (src: astorb) => apparent = 41 mas Apparent Motion : 0.3600 arcs/min @ PA = 285 deg Horizontal Parallax : 3.7910 arcs Dynamical Class : MBA Elongation to Moon & Sun : 47° (sunlit = 99%), Sun = 143° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#149 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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