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Stellar Occultation by (275682) 2000 ST49 on 2023-08-12 (20:36:13 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] : ebee1aa0-ddb3-11f0-547e-7d4d77679337 [observed] Occultation Date + Time : 2023-08-12 at 20:36:13 UT +/- 0.08 min [1] Object Designation : (275682) 2000 ST49 Star Designation : GDR3 2728336914896959616 Star Coordinates (ICRF) : RA = 22 04 40.7769, DE = +12 37 37.724 [2] Star Magnitudes : G = 9.92 mag, RP = 9.54 mag, BP = 10.14 mag Object Magnitude : V = 19.69 mag Estimated Magnitude Drop : 9.8 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 14.3 km/s Object Mean Diameter : 7.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3350 arcs/min @ PA = 238 deg Horizontal Parallax : 2.4930 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 118° (sunlit = 11%), Sun = 151° Cross-track uncertainty : 22.3 mas = 57 km = 7.31 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#33 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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