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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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