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Stellar Occultation by (1000) Piazzia on 2022-12-20 (22:02:47 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] : 3ce6d290-ddb3-11f0-547e-d366eaff774d [observed] Occultation Date + Time : 2022-12-20 at 22:02:47 UT +/- 0.0 min [1] Object Designation : (1000) Piazzia Star Designation : GDR3 0962522615077979648 Star Coordinates (ICRF) : RA = 06 16 03.5602, DE = +45 18 19.393 [2] Star Magnitudes : G = 12.03 mag, RP = 11.49 mag, BP = 12.4 mag Object Magnitude : V = 16.3 mag Estimated Magnitude Drop : 4.3 mag Estimated Max. Duration : 2.8 sec Speed of the shadow : 17.3 km/s Object Mean Diameter : 47.7 km (src: astorb) => apparent = 22 mas Apparent Motion : 0.4900 arcs/min @ PA = 265 deg Horizontal Parallax : 3.0070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 137° (sunlit = 9%), Sun = 158° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#77 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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