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Stellar Occultation by (5461) Autumn on 2023-08-16 (20:26:47 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] : ee3153e0-ddb3-11f0-547e-23c253ed2116 [observed] Occultation Date + Time : 2023-08-16 at 20:26:47 UT +/- 0.02 min [1] Object Designation : (5461) Autumn Star Designation : GDR3 4118135761489592448 Star Coordinates (ICRF) : RA = 17 41 19.6361, DE = -20 59 20.026 [2] Star Magnitudes : G = 14.92 mag, RP = 13.71 mag, BP = 16.47 mag Object Magnitude : V = 16.58 mag Estimated Magnitude Drop : 1.9 mag Estimated Max. Duration : 2.6 sec Speed of the shadow : 5.4 km/s Object Mean Diameter : 14.3 km (src: astorb) => apparent = 10 mas Apparent Motion : 0.2200 arcs/min @ PA = 159 deg Horizontal Parallax : 4.2880 arcs Dynamical Class : MBA Elongation to Moon & Sun : 117° (sunlit = 0%), Sun = 122° Cross-track uncertainty : 0.4 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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