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Stellar Occultation by (48433) 1989 US1 on 2023-09-26 (19:03:05 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] : 33525190-ddb4-11f0-547e-5e1c3fbff62d [observed] Occultation Date + Time : 2023-09-26 at 19:03:05 UT +/- 0.0 min [1] Object Designation : (48433) 1989 US1 Star Designation : GDR3 2385303615041861376 Star Coordinates (ICRF) : RA = 23 19 24.6851, DE = -22 41 53.993 [2] Star Magnitudes : G = 11.03 mag, RP = 10.33 mag, BP = 11.58 mag Object Magnitude : V = 16.2 mag Estimated Magnitude Drop : 5.2 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 8.1 km/s Object Mean Diameter : 6.2 km (src: astorb) => apparent = 8 mas Apparent Motion : 0.6133 arcs/min @ PA = 295 deg Horizontal Parallax : 8.0130 arcs Dynamical Class : MBA Elongation to Moon & Sun : 19° (sunlit = 90%), Sun = 153° Cross-track uncertainty : 0.7 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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