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Stellar Occultation by (34480) 2000 SW121 on 2023-08-15 (01:59:02 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] : ecbb55b0-ddb3-11f0-547e-defe1fd7fe4a [observed] Occultation Date + Time : 2023-08-15 at 01:59:02 UT +/- 0.0 min [1] Object Designation : (34480) 2000 SW121 Star Designation : GDR3 0156232291547641600 Star Coordinates (ICRF) : RA = 05 06 52.4458, DE = +29 38 12.832 [2] Star Magnitudes : G = 13.22 mag, RP = 12.5 mag, BP = 13.78 mag Object Magnitude : V = 19.46 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 28.1 km/s Object Mean Diameter : 7.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.6400 arcs/min @ PA = 70 deg Horizontal Parallax : 2.4260 arcs Dynamical Class : MBA Elongation to Moon & Sun : 49° (sunlit = 2%), Sun = 64° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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