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Stellar Occultation by (104505) 2000 GR39 on 2023-11-19 (20:41:07 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] : 3bd5bb40-ddb4-11f0-547e-98b1c97b01b2 [observed] Occultation Date + Time : 2023-11-19 at 20:41:07 UT +/- 0.0 min [1] Object Designation : (104505) 2000 GR39 Star Designation : GDR3 2637512929410845568 Star Coordinates (ICRF) : RA = 23 18 12.6310, DE = -03 03 00.932 [2] Star Magnitudes : G = 12.03 mag, RP = 11.53 mag, BP = 12.36 mag Object Magnitude : V = 18.38 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 10.2 km/s Object Mean Diameter : 4.1 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5433 arcs/min @ PA = 96 deg Horizontal Parallax : 5.6680 arcs Dynamical Class : MBA Elongation to Moon & Sun : 30° (sunlit = 43%), Sun = 112° Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 1.21 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#48 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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