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Stellar Occultation by (380) Fiducia on 2025-04-03 (18:49:43 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] : 5f978fc0-ddb6-11f0-547e-7294bbf78611 [observed]

 Occultation Date + Time   : 2025-04-03 at 18:49:43 UT +/- 0.0 min  [1]
 Object Designation        : (380) Fiducia
 Star Designation          : GDR3 3412929383048349440
 Star Coordinates (ICRF)   : RA = 04 46 02.1643, DE = +21 57 08.239  [2]
 Star Magnitudes           : G = 14.45 mag, RP = 13.75 mag, BP = 14.97 mag
 Object Magnitude          : V = 15.27 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 2.3 sec
 Speed of the shadow       : 32.1 km/s
 Object Mean Diameter      : 73.2 km  (src: astorb) => apparent = 32 mas
 Apparent Motion           : 0.8400 arcs/min @ PA = 79 deg
 Horizontal Parallax       : 2.7830 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 16° (sunlit = 36%), Sun = 59°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#78
 Note                      : FP:true

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


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