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Stellar Occultation by (37054) 2000 UD40 on 2024-07-27 (23:49:40 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] : 1a73a150-ddb5-11f0-547e-f0d8f7fb02e3 [observed] Occultation Date + Time : 2024-07-27 at 23:49:40 UT +/- 0.01 min [1] Object Designation : (37054) 2000 UD40 Star Designation : GDR3 4066606156963859584 Star Coordinates (ICRF) : RA = 18 08 10.2374, DE = -22 50 43.988 [2] Star Magnitudes : G = 13.47 mag, RP = 12.48 mag, BP = 14.46 mag Object Magnitude : V = 19.3 mag Estimated Magnitude Drop : 5.8 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 8.2 km/s Object Mean Diameter : 4.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3017 arcs/min @ PA = 272 deg Horizontal Parallax : 3.9200 arcs Dynamical Class : MBA Elongation to Moon & Sun : 122° (sunlit = 51%), Sun = 146° Cross-track uncertainty : 0.3 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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