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Stellar Occultation by (39160) 2000 WC116 on 2023-10-18 (03:51:34 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] : 2bdb75e0-ddb4-11f0-547e-11bfefff9c40 [observed] Occultation Date + Time : 2023-10-18 at 03:51:34 UT +/- 0.01 min [1] Object Designation : (39160) 2000 WC116 Star Designation : GDR3 0885640093435407488 Star Coordinates (ICRF) : RA = 07 24 52.0825, DE = +29 41 24.830 [2] Star Magnitudes : G = 14.12 mag, RP = 13.6 mag, BP = 14.48 mag Object Magnitude : V = 18.76 mag Estimated Magnitude Drop : 4.7 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 16.8 km/s Object Mean Diameter : 6.8 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5533 arcs/min @ PA = 69 deg Horizontal Parallax : 3.5020 arcs Dynamical Class : MBA Elongation to Moon & Sun : 136° (sunlit = 12%), Sun = 96° Cross-track uncertainty : 0.7 mas = 1 km = 0.19 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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