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Stellar Occultation by (162355) 1999 YW5 on 2024-09-29 (19:48:37 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] : 76f96400-ddb5-11f0-547e-6370f567333a [observed]

 Occultation Date + Time   : 2024-09-29 at 19:48:37 UT +/- 0.03 min  [1]
 Object Designation        : (162355) 1999 YW5
 Star Designation          : GDR3 1734621601615948160
 Star Coordinates (ICRF)   : RA = 20 56 47.9451, DE = +04 38 12.658  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.59 mag, BP = 13.47 mag
 Object Magnitude          : V = 19.11 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 5.8 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2950 arcs/min @ PA = 285 deg
 Horizontal Parallax       : 5.4430 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 151° (sunlit = 8%), Sun = 128°
 Cross-track uncertainty   : 12.3 mas = 14 km = 4.65 path-width (1-sig)
 RUWE and duplicate source : 2.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#26
 Note                      : FP:true

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


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