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Stellar Occultation by (4191) Assesse on 2023-06-09 (21:36:11 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] : a8fb2080-ddb3-11f0-547e-1e8dffff3318 [observed] Occultation Date + Time : 2023-06-09 at 21:36:11 UT +/- 0.0 min [1] Object Designation : (4191) Assesse Star Designation : GDR3 4203707006268931712 Star Coordinates (ICRF) : RA = 18 58 05.0117, DE = -08 46 32.997 [2] Star Magnitudes : G = 10.97 mag, RP = 10.72 mag, BP = 11.09 mag Object Magnitude : V = 15.97 mag Estimated Magnitude Drop : 5.0 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 7.8 km/s Object Mean Diameter : 9.2 km (src: astorb) => apparent = 10 mas Apparent Motion : 0.4917 arcs/min @ PA = 309 deg Horizontal Parallax : 6.7160 arcs Dynamical Class : MBA Elongation to Moon & Sun : 55° (sunlit = 61%), Sun = 151° Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#73 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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