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Stellar Occultation by (32338) 2000 QS87 on 2023-08-16 (20:04:15 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] : efbd7220-ddb3-11f0-547e-c4fdace72483 [observed] Occultation Date + Time : 2023-08-16 at 20:04:15 UT +/- 0.0 min [1] Object Designation : (32338) 2000 QS87 Star Designation : GDR3 2689232238394903808 Star Coordinates (ICRF) : RA = 21 16 29.7112, DE = -00 54 13.015 [2] Star Magnitudes : G = 10.26 mag, RP = 9.8 mag, BP = 10.57 mag Object Magnitude : V = 18.73 mag Estimated Magnitude Drop : 8.5 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 15.6 km/s Object Mean Diameter : 5.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5450 arcs/min @ PA = 230 deg Horizontal Parallax : 3.7200 arcs Dynamical Class : MBA Elongation to Moon & Sun : 160° (sunlit = 0%), Sun = 166° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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