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Stellar Occultation by (31478) 1999 CJ45 on 2026-09-29 (01:42:01 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] : 2966e010-d9b2-11f1-43f3-9c409ffc07e4 [observed]

 Occultation Date + Time   : 2026-09-29 at 01:42:01 UT +/- 0.0 min  [1]
 Object Designation        : (31478) 1999 CJ45
 Star Designation          : GDR3 3438109981735082368
 Star Coordinates (ICRF)   : RA = 06 14 05.3033, DE = +31 18 18.782  [2]
 Star Magnitudes           : G = 13.25 mag, RP = 12.68 mag, BP = 13.66 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 14.5 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5683 arcs/min @ PA = 78 deg
 Horizontal Parallax       : 4.1730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 56° (sunlit = 93%), Sun = 93°
 Cross-track uncertainty   : 0.1 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL65
 Note                      : FP:true

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


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