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Stellar Occultation by (978) Aidamina on 2026-09-09 (19:16:49 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] : cf11a3e0-d9af-11f1-43f3-42e06bf709dd [observed]

 Occultation Date + Time   : 2026-09-09 at 19:16:49 UT +/- 0.03 min  [1]
 Object Designation        : (978) Aidamina
 Star Designation          : GDR3 2835688733403462272
 Star Coordinates (ICRF)   : RA = 22 58 27.8101, DE = +21 35 19.726  [2]
 Star Magnitudes           : G = 12.49 mag, RP = 11.9 mag, BP = 12.92 mag
 Object Magnitude          : V = 13.21 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 7.8 sec
 Speed of the shadow       : 10.1 km/s
 Object Mean Diameter      : 78.7 km  (src: astorb) => apparent = 71 mas
 Apparent Motion           : 0.5483 arcs/min @ PA = 220 deg
 Horizontal Parallax       : 5.7530 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 145° (sunlit = 2%), Sun = 153°
 Cross-track uncertainty   : 2.1 mas = 2 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 7.55 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL80
 Note                      : FP:true

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


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