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Stellar Occultation by (25289) 1998 WE12 on 2023-09-28 (04:09:19 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] : 142b28f0-ddb4-11f0-547e-3dc8f8759c3f [observed] Occultation Date + Time : 2023-09-28 at 04:09:19 UT +/- 0.0 min [1] Object Designation : (25289) 1998 WE12 Star Designation : GDR3 3423998441484396544 Star Coordinates (ICRF) : RA = 05 53 58.3748, DE = +21 50 10.616 [2] Star Magnitudes : G = 8.65 mag, RP = 8.54 mag, BP = 8.66 mag Object Magnitude : V = 18.81 mag Estimated Magnitude Drop : 10.2 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 12.8 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3933 arcs/min @ PA = 88 deg Horizontal Parallax : 3.2800 arcs Dynamical Class : MBA Elongation to Moon & Sun : 101° (sunlit = 98%), Sun = 96° Cross-track uncertainty : 0.2 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.01 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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