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Stellar Occultation by (57898) 2002 CF237 on 2025-12-11 (21:31:27 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] : d5e32700-ddb8-11f0-547e-39dc9e73197d [observed]

 Occultation Date + Time   : 2025-12-11 at 21:31:27 UT +/- 0.02 min  [1]
 Object Designation        : (57898) 2002 CF237
 Star Designation          : GDR3 3329983119204652672
 Star Coordinates (ICRF)   : RA = 06 11 37.1448, DE = +10 35 07.215  [2]
 Star Magnitudes           : G = 14.23 mag, RP = 13.64 mag, BP = 14.64 mag
 Object Magnitude          : V = 18.38 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5983 arcs/min @ PA = 271 deg
 Horizontal Parallax       : 5.8060 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 78° (sunlit = 50%), Sun = 162°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL48
 Note                      : FP:true

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


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