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Stellar Occultation by (1665) Gaby on 2025-08-27 (22:00:37 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] : 55ac6340-ddb7-11f0-547e-44ec73ff2f3b [observed]

 Occultation Date + Time   : 2025-08-27 at 22:00:37 UT +/- 0.01 min  [1]
 Object Designation        : (1665) Gaby
 Star Designation          : GDR3 6761617905184237952
 Star Coordinates (ICRF)   : RA = 18 55 42.5970, DE = -29 31 33.760  [2]
 Star Magnitudes           : G = 10.81 mag, RP = 10.37 mag, BP = 11.09 mag
 Object Magnitude          : V = 16.66 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 4.5 sec
 Speed of the shadow       : 3.2 km/s
 Object Mean Diameter      : 14.6 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.1250 arcs/min @ PA = 256 deg
 Horizontal Parallax       : 4.1240 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 74° (sunlit = 20%), Sun = 127°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69
 Note                      : FP:true

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


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