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Stellar Occultation by (19063) 3147 T-2 on 2025-04-09 (01:49:54 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] : 6b6d31b0-ddb6-11f0-547e-c0aaffcaa034 [observed]

 Occultation Date + Time   : 2025-04-09 at 01:49:54 UT +/- 0.02 min  [1]
 Object Designation        : (19063) 3147 T-2
 Star Designation          : GDR3 4070740934812965248
 Star Coordinates (ICRF)   : RA = 18 01 27.0737, DE = -21 22 31.509  [2]
 Star Magnitudes           : G = 11.64 mag, RP = 10.75 mag, BP = 12.46 mag
 Object Magnitude          : V = 19.72 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 6.1 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.1883 arcs/min @ PA = 90 deg
 Horizontal Parallax       : 3.2780 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 86%), Sun = 109°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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