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Stellar Occultation by (23876) 1998 RZ79 on 2025-08-19 (21:36:22 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] : 509e9850-ddb7-11f0-547e-cf05bde516f4 [observed] Occultation Date + Time : 2025-08-19 at 21:36:22 UT +/- 0.02 min [1] Object Designation : (23876) 1998 RZ79 Star Designation : GDR3 4076195440201582976 Star Coordinates (ICRF) : RA = 18 34 36.5322, DE = -25 34 04.264 [2] Star Magnitudes : G = 14.05 mag, RP = 12.53 mag, BP = 17.32 mag Object Magnitude : V = 18.13 mag Estimated Magnitude Drop : 4.1 mag Estimated Max. Duration : 2.5 sec Speed of the shadow : 3.1 km/s Object Mean Diameter : 7.7 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.1150 arcs/min @ PA = 255 deg Horizontal Parallax : 4.0150 arcs Dynamical Class : MBA Elongation to Moon & Sun : 172° (sunlit = 13%), Sun = 131° Cross-track uncertainty : 0.7 mas = 1 km = 0.14 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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