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Stellar Occultation by (74) Galatea on 2026-01-17 (01:36:22 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] : 6176d4d0-de6b-11f0-4858-1a72befbcd26 [asteroids]

 Occultation Date + Time   : 2026-01-17 at 01:36:22 UT +/- 0.01 min  [1]
 Object Designation        : (74) Galatea
 Star Designation          : GDR3 3164761808999706752
 Star Coordinates (ICRF)   : RA = 07 44 05.8717, DE = +14 58 04.311  [2]
 Star Magnitudes           : G = 12.68 mag, RP = 12.26 mag, BP = 12.94 mag
 Object Magnitude          : V = 12.69 mag
 Estimated Magnitude Drop  : 0.8 mag
 Estimated Max. Duration   : 9.2 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 118.7 km  (src: astorb) => apparent = 91 mas
 Apparent Motion           : 0.5917 arcs/min @ PA = 282 deg
 Horizontal Parallax       : 4.8820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 3%), Sun = 174°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#144
 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


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