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Stellar Occultation by (51764) 2001 LR8 on 2023-08-20 (21:56:12 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] : f262a180-ddb3-11f0-547e-2a346f85be09 [observed] Occultation Date + Time : 2023-08-20 at 21:56:12 UT +/- 0.0 min [1] Object Designation : (51764) 2001 LR8 Star Designation : GDR3 2685811966958547456 Star Coordinates (ICRF) : RA = 21 17 49.4900, DE = -01 27 52.895 [2] Star Magnitudes : G = 12.21 mag, RP = 11.62 mag, BP = 12.64 mag Object Magnitude : V = 18.8 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 14.2 km/s Object Mean Diameter : 5.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4883 arcs/min @ PA = 249 deg Horizontal Parallax : 3.6490 arcs Dynamical Class : MBA Elongation to Moon & Sun : 123° (sunlit = 18%), Sun = 165° Cross-track uncertainty : 0.7 mas = 1 km = 0.21 path-width (1-sig) RUWE and duplicate source : 0.78 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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