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Stellar Occultation by (358) Apollonia on 2023-07-25 (01:22:55 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] : d7aeffa0-ddb3-11f0-547e-bae2f7bb04c4 [observed]

 Occultation Date + Time   : 2023-07-25 at 01:22:55 UT +/- 0.0 min  [1]
 Object Designation        : (358) Apollonia
 Star Designation          : GDR3 0054735342394498176
 Star Coordinates (ICRF)   : RA = 03 27 03.4525, DE = +16 39 06.880  [2]
 Star Magnitudes           : G = 14.06 mag, RP = 13.39 mag, BP = 14.57 mag
 Object Magnitude          : V = 14.32 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 3.0 sec
 Speed of the shadow       : 30.0 km/s
 Object Mean Diameter      : 89.5 km  (src: astorb) => apparent = 46 mas
 Apparent Motion           : 0.9233 arcs/min @ PA = 79 deg
 Horizontal Parallax       : 3.2720 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 148° (sunlit = 41%), Sun = 68°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#93
 Note                      : FP:true

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


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