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Stellar Occultation by (48438) 1989 WJ2 on 2025-11-13 (03:51:43 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] : b4ed7ff0-ddb8-11f0-547e-09a7679d28a4 [observed] Occultation Date + Time : 2025-11-13 at 03:51:43 UT +/- 0.02 min [1] Object Designation : (48438) 1989 WJ2 Star Designation : GDR3 3230982886078870272 Star Coordinates (ICRF) : RA = 04 42 31.4372, DE = +01 00 37.962 [2] Star Magnitudes : G = 14.26 mag, RP = 13.72 mag, BP = 14.62 mag Object Magnitude : V = 17.88 mag Estimated Magnitude Drop : 3.7 mag Estimated Max. Duration : 1.4 sec Speed of the shadow : 17.1 km/s Object Mean Diameter : 23.0 km (src: astorb) => apparent = 8 mas Apparent Motion : 0.3417 arcs/min @ PA = 272 deg Horizontal Parallax : 2.1320 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 84° (sunlit = 40%), Sun = 152° Cross-track uncertainty : 6.0 mas = 17 km = 0.78 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#60 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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