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Stellar Occultation by (68858) 2002 JW on 2025-09-16 (00:38:57 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] : 74f4f690-ddb7-11f0-547e-01e3faddb258 [observed] Occultation Date + Time : 2025-09-16 at 00:38:57 UT +/- 0.0 min [1] Object Designation : (68858) 2002 JW Star Designation : GDR3 3399813613781957376 Star Coordinates (ICRF) : RA = 05 50 52.9203, DE = +20 19 57.915 [2] Star Magnitudes : G = 12.98 mag, RP = 11.85 mag, BP = 14.32 mag Object Magnitude : V = 19.94 mag Estimated Magnitude Drop : 7.0 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 17.1 km/s Object Mean Diameter : 5.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4750 arcs/min @ PA = 83 deg Horizontal Parallax : 2.9630 arcs Dynamical Class : MBA Elongation to Moon & Sun : 18° (sunlit = 33%), Sun = 86° Cross-track uncertainty : 0.7 mas = 1 km = 0.30 path-width (1-sig) RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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