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Stellar Occultation by (331639) 2002 NS3 on 2023-09-05 (22:15:06 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] : 00f148f0-ddb4-11f0-547e-d973f7f8fc4a [observed] Occultation Date + Time : 2023-09-05 at 22:15:06 UT +/- 0.63 min [1] Object Designation : (331639) 2002 NS3 Star Designation : GDR3 4242183320474062336 Star Coordinates (ICRF) : RA = 19 48 21.8928, DE = +03 25 03.169 [2] Star Magnitudes : G = 11.88 mag, RP = 11.41 mag, BP = 12.18 mag Object Magnitude : V = 20.02 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 5.7 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2700 arcs/min @ PA = 193 deg Horizontal Parallax : 5.0440 arcs Dynamical Class : MBA Elongation to Moon & Sun : 117° (sunlit = 60%), Sun = 132° Cross-track uncertainty : 29.3 mas = 37 km = 16.11 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#23 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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