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Stellar Occultation by (181) Eucharis on 2024-10-21 (18:27:27 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] : 918b4d10-ddb5-11f0-547e-6ad3bff7a083 [observed]

 Occultation Date + Time   : 2024-10-21 at 18:27:27 UT +/- 0.0 min  [1]
 Object Designation        : (181) Eucharis
 Star Designation          : GDR3 4088945067797765632
 Star Coordinates (ICRF)   : RA = 19 08 55.3924, DE = -15 35 19.607  [2]
 Star Magnitudes           : G = 12.37 mag, RP = 11.39 mag, BP = 13.36 mag
 Object Magnitude          : V = 14.66 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 5.2 sec
 Speed of the shadow       : 20.5 km/s
 Object Mean Diameter      : 106.0 km  (src: astorb) => apparent = 39 mas
 Apparent Motion           : 0.4467 arcs/min @ PA = 104 deg
 Horizontal Parallax       : 2.3180 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 157° (sunlit = 76%), Sun = 78°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#114
 Note                      : FP:true

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


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