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Stellar Occultation by (163271) 2002 GZ87 on 2024-08-12 (23:09:21 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] : 3835bbb0-ddb5-11f0-547e-8d171a73c3b0 [observed] Occultation Date + Time : 2024-08-12 at 23:09:21 UT +/- 0.17 min [1] Object Designation : (163271) 2002 GZ87 Star Designation : GDR3 4254265127891371008 Star Coordinates (ICRF) : RA = 19 03 59.1736, DE = -05 16 13.820 [2] Star Magnitudes : G = 12.11 mag, RP = 11.26 mag, BP = 12.86 mag Object Magnitude : V = 19.0 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 6.0 km/s Object Mean Diameter : 2.1 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4050 arcs/min @ PA = 199 deg Horizontal Parallax : 7.1410 arcs Dynamical Class : MBA Elongation to Moon & Sun : 56° (sunlit = 53%), Sun = 142° Cross-track uncertainty : 3.0 mas = 2 km = 1.28 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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