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Stellar Occultation by (275285) 2010 CF49 on 2025-12-12 (23:26:54 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] : d6f61da0-ddb8-11f0-547e-3aceff5cae6a [observed]

 Occultation Date + Time   : 2025-12-12 at 23:26:54 UT +/- 0.44 min  [1]
 Object Designation        : (275285) 2010 CF49
 Star Designation          : GDR3 2558961791497987328
 Star Coordinates (ICRF)   : RA = 01 31 48.2908, DE = +02 11 39.000  [2]
 Star Magnitudes           : G = 12.89 mag, RP = 12.64 mag, BP = 13.04 mag
 Object Magnitude          : V = 21.43 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 3.4 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1050 arcs/min @ PA = 330 deg
 Horizontal Parallax       : 3.3310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 160° (sunlit = 39%), Sun = 121°
 Cross-track uncertainty   : 20.0 mas = 38 km = 16.65 path-width (1-sig)
 RUWE and duplicate source : 1.17 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL29
 Note                      : FP:true

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


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