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Stellar Occultation by (172055) 2001 XG137 on 2024-12-26 (18:05:59 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] : cef64330-ddb5-11f0-547e-f20527737ccc [observed]

 Occultation Date + Time   : 2024-12-26 at 18:05:59 UT +/- 0.08 min  [1]
 Object Designation        : (172055) 2001 XG137
 Star Designation          : GDR3 3434365736622742144
 Star Coordinates (ICRF)   : RA = 06 28 36.3531, DE = +28 34 35.763  [2]
 Star Magnitudes           : G = 12.62 mag, RP = 12.43 mag, BP = 12.72 mag
 Object Magnitude          : V = 19.46 mag
 Estimated Magnitude Drop  : 6.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 14.7 km/s
 Object Mean Diameter      : 3.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5650 arcs/min @ PA = 291 deg
 Horizontal Parallax       : 4.0690 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 131° (sunlit = 17%), Sun = 175°
 Cross-track uncertainty   : 25.0 mas = 39 km = 11.87 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL33
 Note                      : FP:true

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


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