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Stellar Occultation by (48833) 1997 YA5 on 2024-12-09 (18:25:28 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] : b91f7130-ddb5-11f0-547e-5dcfff674b08 [observed]

 Occultation Date + Time   : 2024-12-09 at 18:25:28 UT +/- 0.0 min  [1]
 Object Designation        : (48833) 1997 YA5
 Star Designation          : GDR3 2820540555547816960
 Star Coordinates (ICRF)   : RA = 23 34 35.3513, DE = +16 38 47.467  [2]
 Star Magnitudes           : G = 11.86 mag, RP = 11.36 mag, BP = 12.19 mag
 Object Magnitude          : V = 18.06 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 7.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5317 arcs/min @ PA = 107 deg
 Horizontal Parallax       : 4.1320 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 18° (sunlit = 63%), Sun = 102°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 1.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57
 Note                      : FP:true

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


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