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Stellar Occultation by (477220) 2009 LK on 2023-12-24 (21:39:44 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] : 4cf7ded0-ddb4-11f0-547e-45fe3db49ed7 [observed] Occultation Date + Time : 2023-12-24 at 21:39:44 UT +/- 0.09 min [1] Object Designation : (477220) 2009 LK Star Designation : GDR3 0653342835862576000 Star Coordinates (ICRF) : RA = 08 02 35.6826, DE = +13 08 15.460 [2] Star Magnitudes : G = 12.57 mag, RP = 12.13 mag, BP = 12.85 mag Object Magnitude : V = 20.49 mag Estimated Magnitude Drop : 7.9 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 10.0 km/s Object Mean Diameter : 2.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3817 arcs/min @ PA = 269 deg Horizontal Parallax : 4.0340 arcs Dynamical Class : MBA Elongation to Moon & Sun : 54° (sunlit = 95%), Sun = 152° Cross-track uncertainty : 24.0 mas = 37 km = 15.81 path-width (1-sig) RUWE and duplicate source : 2.41 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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