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Stellar Occultation by (161171) 2002 TY52 on 2024-09-24 (21:37:29 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] : 720e3c40-ddb5-11f0-547e-b87e5ed63e71 [observed]

 Occultation Date + Time   : 2024-09-24 at 21:37:29 UT +/- 0.01 min  [1]
 Object Designation        : (161171) 2002 TY52
 Star Designation          : GDR3 4252372765296760448
 Star Coordinates (ICRF)   : RA = 18 47 15.2834, DE = -06 49 58.677  [2]
 Star Magnitudes           : G = 13.96 mag, RP = 12.91 mag, BP = 15.12 mag
 Object Magnitude          : V = 20.11 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 4.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3517 arcs/min @ PA = 108 deg
 Horizontal Parallax       : 3.2600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 157° (sunlit = 49%), Sun = 99°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.47 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36
 Note                      : FP:true

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


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