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Stellar Occultation by (132) Aethra on 2025-11-27 (17:56:31 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] : c8572280-ddb8-11f0-547e-1998d6f72a90 [observed]

 Occultation Date + Time   : 2025-11-27 at 17:56:31 UT +/- 0.0 min  [1]
 Object Designation        : (132) Aethra
 Star Designation          : GDR3 4202925940691496064
 Star Coordinates (ICRF)   : RA = 19 01 42.1938, DE = -08 58 34.356  [2]
 Star Magnitudes           : G = 14.09 mag, RP = 12.83 mag, BP = 15.85 mag
 Object Magnitude          : V = 15.23 mag
 Estimated Magnitude Drop  : 1.5 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 36.3 km/s
 Object Mean Diameter      : 42.7 km  (src: astorb) => apparent = 15 mas
 Apparent Motion           : 0.7617 arcs/min @ PA = 83 deg
 Horizontal Parallax       : 2.2300 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 46° (sunlit = 44%), Sun = 42°
 Cross-track uncertainty   : 0.7 mas = 2 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#92
 Note                      : FP:true

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


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