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Stellar Occultation by (382303) 2013 BO1 on 2023-09-17 (01:42:06 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] : 0f4928f0-ddb4-11f0-547e-98898f9f6f9e [observed] Occultation Date + Time : 2023-09-17 at 01:42:06 UT +/- 0.05 min [1] Object Designation : (382303) 2013 BO1 Star Designation : GDR3 3357129717697009664 Star Coordinates (ICRF) : RA = 06 37 39.6170, DE = +16 03 29.337 [2] Star Magnitudes : G = 11.71 mag, RP = 10.86 mag, BP = 12.46 mag Object Magnitude : V = 20.82 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 19.7 km/s Object Mean Diameter : 9.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3033 arcs/min @ PA = 94 deg Horizontal Parallax : 1.6320 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 97° (sunlit = 4%), Sun = 75° Cross-track uncertainty : 3.0 mas = 11 km = 1.30 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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