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Stellar Occultation by (40000) 1998 HZ87 on 2024-09-11 (21:11:14 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] : 5d051a80-ddb5-11f0-547e-239153538b0c [observed] Occultation Date + Time : 2024-09-11 at 21:11:14 UT +/- 0.01 min [1] Object Designation : (40000) 1998 HZ87 Star Designation : GDR3 2733993592984380928 Star Coordinates (ICRF) : RA = 22 16 10.9518, DE = +13 01 03.247 [2] Star Magnitudes : G = 12.41 mag, RP = 11.9 mag, BP = 12.75 mag Object Magnitude : V = 18.05 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 8.9 km/s Object Mean Diameter : 3.3 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5683 arcs/min @ PA = 225 deg Horizontal Parallax : 6.8020 arcs Dynamical Class : MBA Elongation to Moon & Sun : 77° (sunlit = 57%), Sun = 156° Cross-track uncertainty : 1.7 mas = 1 km = 0.48 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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