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Stellar Occultation by (13171) 1996 AA on 2023-08-14 (23:13:38 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] : edfb28b0-ddb3-11f0-547e-2310a76b65ba [observed] Occultation Date + Time : 2023-08-14 at 23:13:38 UT +/- 0.0 min [1] Object Designation : (13171) 1996 AA Star Designation : GDR3 6867696038233549184 Star Coordinates (ICRF) : RA = 20 05 27.5941, DE = -17 54 08.683 [2] Star Magnitudes : G = 11.72 mag, RP = 11.19 mag, BP = 12.07 mag Object Magnitude : V = 17.91 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 9.3 km/s Object Mean Diameter : 4.6 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4983 arcs/min @ PA = 267 deg Horizontal Parallax : 5.6880 arcs Dynamical Class : MBA Elongation to Moon & Sun : 170° (sunlit = 2%), Sun = 158° Cross-track uncertainty : 0.7 mas = 0 km = 0.17 path-width (1-sig) RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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