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Stellar Occultation by (29813) 1999 CF111 on 2025-12-08 (21:28:24 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] : e02ecd90-ddb8-11f0-547e-05b4fff9acf9 [observed]

 Occultation Date + Time   : 2025-12-08 at 21:28:24 UT +/- 0.01 min  [1]
 Object Designation        : (29813) 1999 CF111
 Star Designation          : GDR3 3403538763474213888
 Star Coordinates (ICRF)   : RA = 05 42 03.9838, DE = +22 39 36.580  [2]
 Star Magnitudes           : G = 6.0 mag, RP = 5.26 mag, BP = 6.6 mag
 Object Magnitude          : V = 17.89 mag
 Estimated Magnitude Drop  : 11.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 4.9 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5583 arcs/min @ PA = 263 deg
 Horizontal Parallax       : 5.1240 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 45° (sunlit = 80%), Sun = 171°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL51
 Note                      : FP:true

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


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