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Stellar Occultation by (52) Europa on 2023-08-23 (19:44:11 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] : f7d15120-ddb3-11f0-547e-a8f9bd7f8fd2 [observed]

 Occultation Date + Time   : 2023-08-23 at 19:44:11 UT +/- 0.02 min  [1]
 Object Designation        : (52) Europa
 Star Designation          : GDR3 4121870291458534272
 Star Coordinates (ICRF)   : RA = 17 29 57.6316, DE = -18 50 32.339  [2]
 Star Magnitudes           : G = 13.75 mag, RP = 12.74 mag, BP = 14.81 mag
 Object Magnitude          : V = 12.46 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 60.1 sec
 Speed of the shadow       : 5.0 km/s
 Object Mean Diameter      : 302.5 km  (src: astorb) => apparent = 143 mas
 Apparent Motion           : 0.1433 arcs/min @ PA = 137 deg
 Horizontal Parallax       : 3.0250 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 30° (sunlit = 44%), Sun = 112°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL141
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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