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Stellar Occultation by (159669) 2002 GY73 on 2025-04-03 (01:48:47 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] : 5e6948f0-ddb6-11f0-547e-f1a0f6fd1081 [observed]

 Occultation Date + Time   : 2025-04-03 at 01:48:47 UT +/- 0.02 min  [1]
 Object Designation        : (159669) 2002 GY73
 Star Designation          : GDR3 3641393055893391232
 Star Coordinates (ICRF)   : RA = 14 27 22.4219, DE = -05 56 19.924  [2]
 Star Magnitudes           : G = 12.48 mag, RP = 11.78 mag, BP = 13.04 mag
 Object Magnitude          : V = 19.88 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.0 km/s
 Object Mean Diameter      : 2.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4400 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 4.6790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 137° (sunlit = 28%), Sun = 156°
 Cross-track uncertainty   : 3.7 mas = 5 km = 2.02 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39
 Note                      : FP:true

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


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