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Stellar Occultation by (90087) 2002 WS2 on 2024-12-01 (18:28:59 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] : b298e8f0-ddb5-11f0-547e-be6d5efd8de4 [observed] Occultation Date + Time : 2024-12-01 at 18:28:59 UT +/- 0.01 min [1] Object Designation : (90087) 2002 WS2 Star Designation : GDR3 3366239339034409856 Star Coordinates (ICRF) : RA = 06 52 51.3080, DE = +20 40 15.484 [2] Star Magnitudes : G = 11.9 mag, RP = 11.75 mag, BP = 11.98 mag Object Magnitude : V = 19.62 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.5 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3567 arcs/min @ PA = 293 deg Horizontal Parallax : 3.9770 arcs Dynamical Class : MBA Elongation to Moon & Sun : 153° (sunlit = 0%), Sun = 148° Cross-track uncertainty : 0.7 mas = 1 km = 0.30 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#39 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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