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Stellar Occultation by (4313) Bouchet on 2023-09-30 (21:55:14 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] : 160714e0-ddb4-11f0-547e-e045fb5bfe8d [observed] Occultation Date + Time : 2023-09-30 at 21:55:14 UT +/- 0.0 min [1] Object Designation : (4313) Bouchet Star Designation : GDR3 6810568368988268928 Star Coordinates (ICRF) : RA = 21 50 32.5192, DE = -25 58 37.151 [2] Star Magnitudes : G = 13.14 mag, RP = 12.47 mag, BP = 13.64 mag Object Magnitude : V = 17.29 mag Estimated Magnitude Drop : 4.2 mag Estimated Max. Duration : 3.7 sec Speed of the shadow : 5.4 km/s Object Mean Diameter : 20.0 km (src: astorb) => apparent = 15 mas Apparent Motion : 0.2367 arcs/min @ PA = 310 deg Horizontal Parallax : 4.6410 arcs Dynamical Class : MBA Elongation to Moon & Sun : 68° (sunlit = 97%), Sun = 132° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#64 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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