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Stellar Occultation by (19586) 1999 NA10 on 2023-08-19 (22:07:13 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] : f49deb80-ddb3-11f0-547e-d140e5672dc3 [observed] Occultation Date + Time : 2023-08-19 at 22:07:13 UT +/- 0.0 min [1] Object Designation : (19586) 1999 NA10 Star Designation : GDR3 6858940519763487488 Star Coordinates (ICRF) : RA = 20 47 38.1160, DE = -17 29 08.839 [2] Star Magnitudes : G = 12.11 mag, RP = 11.51 mag, BP = 12.54 mag Object Magnitude : V = 17.99 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 11.2 km/s Object Mean Diameter : 6.1 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4733 arcs/min @ PA = 256 deg Horizontal Parallax : 4.5040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 124° (sunlit = 11%), Sun = 163° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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