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Stellar Occultation by (227652) 2006 BY142 on 2025-09-23 (03:26:44 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] : 70f1c860-ddb8-11f0-547e-b934d7bfac8c [observed] Occultation Date + Time : 2025-09-23 at 03:26:44 UT +/- 0.13 min [1] Object Designation : (227652) 2006 BY142 Star Designation : GDR3 0147708843048068992 Star Coordinates (ICRF) : RA = 04 36 43.9133, DE = +24 26 05.144 [2] Star Magnitudes : G = 11.33 mag, RP = 10.48 mag, BP = 12.09 mag Object Magnitude : V = 21.69 mag Estimated Magnitude Drop : 10.4 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 6.4 km/s Object Mean Diameter : 1.80 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.2100 arcs/min @ PA = 75 deg Horizontal Parallax : 3.5040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 124° (sunlit = 2%), Sun = 109° Cross-track uncertainty : 21.7 mas = 39 km = 21.94 path-width (1-sig) RUWE and duplicate source : 1.28 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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