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Stellar Occultation by (2082) Galahad on 2025-09-28 (00:55:37 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] : 76c5f090-ddb8-11f0-547e-3a7cfff94ccb [observed]

 Occultation Date + Time   : 2025-09-28 at 00:55:37 UT +/- 0.01 min  [1]
 Object Designation        : (2082) Galahad
 Star Designation          : GDR3 2542548522438079488
 Star Coordinates (ICRF)   : RA = 00 36 16.7779, DE = -00 54 36.734  [2]
 Star Magnitudes           : G = 14.14 mag, RP = 13.66 mag, BP = 14.44 mag
 Object Magnitude          : V = 17.54 mag
 Estimated Magnitude Drop  : 3.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 14.1 km/s
 Object Mean Diameter      : 8.3 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5283 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 3.9990 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 32%), Sun = 175°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL60
 Note                      : FP:true

 
 [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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