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Stellar Occultation by (49577) 1999 CB124 on 2025-12-03 (23:18:24 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] : ccee84f0-ddb8-11f0-547e-97d8e7f69b37 [observed]

 Occultation Date + Time   : 2025-12-03 at 23:18:24 UT +/- 0.01 min  [1]
 Object Designation        : (49577) 1999 CB124
 Star Designation          : GDR3 0724504053044110464
 Star Coordinates (ICRF)   : RA = 10 34 45.9259, DE = +25 36 16.798  [2]
 Star Magnitudes           : G = 12.57 mag, RP = 12.15 mag, BP = 12.84 mag
 Object Magnitude          : V = 19.34 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 4.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5000 arcs/min @ PA = 83 deg
 Horizontal Parallax       : 4.1230 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 91° (sunlit = 98%), Sun = 101°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.64 path-width (1-sig)
 RUWE and duplicate source : 1.21 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42
 Note                      : FP:true

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


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