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Stellar Occultation by (165) Loreley on 2025-10-17 (19:03:38 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] : 9facd370-ddb8-11f0-547e-f8d8fd720257 [observed]

 Occultation Date + Time   : 2025-10-17 at 19:03:38 UT +/- 0.01 min  [1]
 Object Designation        : (165) Loreley
 Star Designation          : GDR3 4076741901835985024
 Star Coordinates (ICRF)   : RA = 18 36 30.9487, DE = -24 03 10.671  [2]
 Star Magnitudes           : G = 14.81 mag, RP = 14.1 mag, BP = 15.34 mag
 Object Magnitude          : V = 13.46 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 6.0 sec
 Speed of the shadow       : 26.0 km/s
 Object Mean Diameter      : 155.2 km  (src: astorb) => apparent = 72 mas
 Apparent Motion           : 0.7217 arcs/min @ PA = 78 deg
 Horizontal Parallax       : 2.9520 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 115° (sunlit = 13%), Sun = 74°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#87
 Note                      : FP:true

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


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