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Stellar Occultation by (722054) 2005 BN56 on 2025-10-15 (19:34:26 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] : 91e5c1c0-ddb8-11f0-547e-47d03d3f80ff [observed] Occultation Date + Time : 2025-10-15 at 19:34:26 UT +/- 0.15 min [1] Object Designation : (722054) 2005 BN56 Star Designation : GDR3 0399653819358760576 Star Coordinates (ICRF) : RA = 01 33 10.0242, DE = +49 05 59.569 [2] Star Magnitudes : G = 12.77 mag, RP = 12.32 mag, BP = 13.07 mag Object Magnitude : V = 20.68 mag Estimated Magnitude Drop : 7.9 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 16.6 km/s Object Mean Diameter : 8.2 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2933 arcs/min @ PA = 254 deg Horizontal Parallax : 1.8810 arcs Dynamical Class : Elongation to Moon & Sun : 93° (sunlit = 29%), Sun = 140° Cross-track uncertainty : 38.0 mas = 128 km = 15.71 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 1 (0:false, 1:true) Ephemeris Reference : JPL#20 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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