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Stellar Occultation by (44055) 1998 FC30 on 2025-12-25 (20:14:13 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] : 873b0570-d996-11f1-43f3-d465fabb5379 [observed]

 Occultation Date + Time   : 2025-12-25 at 20:14:13 UT +/- 0.02 min  [1]
 Object Designation        : (44055) 1998 FC30
 Star Designation          : GDR3 0964572658804294784
 Star Coordinates (ICRF)   : RA = 06 43 05.8601, DE = +45 09 23.711  [2]
 Star Magnitudes           : G = 10.24 mag, RP = 9.35 mag, BP = 10.58 mag
 Object Magnitude          : V = 17.19 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 10.6 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.6033 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 6.0280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 116° (sunlit = 30%), Sun = 158°
 Cross-track uncertainty   : 14.1 mas = 14 km = 2.57 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL64
 Note                      : FP:true

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


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