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Stellar Occultation by (135523) 2001 YW147 on 2024-12-13 (21:54:39 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] : bb0fa870-ddb5-11f0-547e-c08821e795b2 [observed]

 Occultation Date + Time   : 2024-12-13 at 21:54:39 UT +/- 0.09 min  [1]
 Object Designation        : (135523) 2001 YW147
 Star Designation          : GDR3 0874899097487129728
 Star Coordinates (ICRF)   : RA = 07 45 08.8521, DE = +26 23 39.636  [2]
 Star Magnitudes           : G = 11.53 mag, RP = 10.84 mag, BP = 12.06 mag
 Object Magnitude          : V = 19.99 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3767 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 4.1310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 51° (sunlit = 97%), Sun = 149°
 Cross-track uncertainty   : 25.3 mas = 39 km = 13.02 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL26
 Note                      : FP:true

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


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