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Stellar Occultation by (582637) 2015 XT448 on 2025-12-12 (18:41:31 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] : d913cd80-ddb8-11f0-547e-0121fff7dd8d [observed]

 Occultation Date + Time   : 2025-12-12 at 18:41:31 UT +/- 19.08 min  [1]
 Object Designation        : (582637) 2015 XT448
 Star Designation          : GDR3 2470032122813006080
 Star Coordinates (ICRF)   : RA = 01 02 28.3200, DE = -10 53 14.741  [2]
 Star Magnitudes           : G = 12.88 mag, RP = 12.36 mag, BP = 13.24 mag
 Object Magnitude          : V = 22.06 mag
 Estimated Magnitude Drop  : 9.2 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 6.6 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1133 arcs/min @ PA = 359 deg
 Horizontal Parallax       : 1.8060 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 160° (sunlit = 41%), Sun = 108°
 Cross-track uncertainty   : 28.0 mas = 98 km = 21.50 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#8
 Note                      : FP:true

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


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