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Stellar Occultation by (15454) 1998 YB3 on 2026-10-10 (22:43:43 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] : 5d471930-d9b3-11f1-43f3-0252f9fe1097 [observed]

 Occultation Date + Time   : 2026-10-10 at 22:43:43 UT +/- 0.0 min  [1]
 Object Designation        : (15454) 1998 YB3
 Star Designation          : GDR3 0325727506525807744
 Star Coordinates (ICRF)   : RA = 02 07 01.6156, DE = +32 54 24.505  [2]
 Star Magnitudes           : G = 12.92 mag, RP = 12.36 mag, BP = 13.31 mag
 Object Magnitude          : V = 18.34 mag
 Estimated Magnitude Drop  : 5.4 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 8.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4433 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 3.4470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 0%), Sun = 150°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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