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Stellar Occultation by (32240) 2000 OK39 on 2023-07-07 (00:08:07 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] : c7069ff0-ddb3-11f0-547e-ea92decca7e1 [observed] Occultation Date + Time : 2023-07-07 at 00:08:07 UT +/- 0.0 min [1] Object Designation : (32240) 2000 OK39 Star Designation : GDR3 6854415002921232640 Star Coordinates (ICRF) : RA = 20 13 41.9810, DE = -20 14 13.479 [2] Star Magnitudes : G = 13.03 mag, RP = 12.53 mag, BP = 13.35 mag Object Magnitude : V = 17.17 mag Estimated Magnitude Drop : 4.2 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 13.8 km/s Object Mean Diameter : 11.2 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.5083 arcs/min @ PA = 282 deg Horizontal Parallax : 3.9090 arcs Dynamical Class : MBA Elongation to Moon & Sun : 33° (sunlit = 83%), Sun = 164° Cross-track uncertainty : 0.7 mas = 1 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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