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Stellar Occultation by (1393) Sofala on 2023-04-26 (23:38:00 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] : 95ef0740-ddb3-11f0-547e-5c0ffa7db115 [observed]

 Occultation Date + Time   : 2023-04-26 at 23:38:00 UT +/- 0.0 min  [1]
 Object Designation        : (1393) Sofala
 Star Designation          : GDR3 3899182829858197888
 Star Coordinates (ICRF)   : RA = 11 59 23.9516, DE = +07 12 39.806  [2]
 Star Magnitudes           : G = 12.02 mag, RP = 11.43 mag, BP = 12.45 mag
 Object Magnitude          : V = 15.52 mag
 Estimated Magnitude Drop  : 3.5 mag
 Estimated Max. Duration   : 2.5 sec
 Speed of the shadow       : 4.8 km/s
 Object Mean Diameter      : 12.3 km  (src: astorb) => apparent = 12 mas
 Apparent Motion           : 0.2933 arcs/min @ PA = 257 deg
 Horizontal Parallax       : 6.4380 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 60° (sunlit = 42%), Sun = 140°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.14 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#77
 Note                      : FP:true

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


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