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Stellar Occultation by (50142) 2000 AY129 on 2025-12-21 (21:53:02 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] : 6196ca70-d996-11f1-43f3-13eb5f7ecaee [observed]

 Occultation Date + Time   : 2025-12-21 at 21:53:02 UT +/- 0.01 min  [1]
 Object Designation        : (50142) 2000 AY129
 Star Designation          : GDR3 3407121552175578496
 Star Coordinates (ICRF)   : RA = 05 06 22.5942, DE = +17 46 54.452  [2]
 Star Magnitudes           : G = 13.66 mag, RP = 12.75 mag, BP = 14.52 mag
 Object Magnitude          : V = 18.66 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.3 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5467 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 5.1350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 145° (sunlit = 3%), Sun = 166°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.35 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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