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Stellar Occultation by (396049) 2013 CF40 on 2025-04-20 (21:16:48 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] : 7bb76bd0-ddb6-11f0-547e-456bbdffe2de [observed]

 Occultation Date + Time   : 2025-04-20 at 21:16:48 UT +/- 0.04 min  [1]
 Object Designation        : (396049) 2013 CF40
 Star Designation          : GDR3 4421901382237255040
 Star Coordinates (ICRF)   : RA = 15 18 16.5728, DE = +03 15 24.967  [2]
 Star Magnitudes           : G = 14.7 mag, RP = 14.22 mag, BP = 15.01 mag
 Object Magnitude          : V = 19.94 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 11.1 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4567 arcs/min @ PA = 282 deg
 Horizontal Parallax       : 4.3840 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 75° (sunlit = 52%), Sun = 155°
 Cross-track uncertainty   : 10.0 mas = 14 km = 5.39 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#31
 Note                      : FP:true

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


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