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Stellar Occultation by (271239) 2003 UU61 on 2023-07-29 (23:24:49 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] : dcebf0e0-ddb3-11f0-547e-1316e5f730fa [observed] Occultation Date + Time : 2023-07-29 at 23:24:49 UT +/- 0.11 min [1] Object Designation : (271239) 2003 UU61 Star Designation : GDR3 4147247874453414016 Star Coordinates (ICRF) : RA = 18 06 00.8025, DE = -13 20 00.434 [2] Star Magnitudes : G = 11.23 mag, RP = 9.69 mag, BP = 15.81 mag Object Magnitude : V = 20.34 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 8.5 km/s Object Mean Diameter : 2.5 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3367 arcs/min @ PA = 241 deg Horizontal Parallax : 4.2280 arcs Dynamical Class : MBA Elongation to Moon & Sun : 15° (sunlit = 89%), Sun = 144° Cross-track uncertainty : 20.7 mas = 31 km = 12.49 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#32 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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