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Stellar Occultation by (1108) Demeter on 2026-04-04 (19:08:14 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] : 89933130-33dd-11f1-6999-30d33fbbda24 [asteroids]

 Occultation Date + Time   : 2026-04-04 at 19:08:14 UT +/- 0.0 min  [1]
 Object Designation        : (1108) Demeter
 Star Designation          : GDR3 3058219200992237824
 Star Coordinates (ICRF)   : RA = 07 22 01.8177, DE = -05 34 14.706  [2]
 Star Magnitudes           : G = 7.41 mag, RP = 7.39 mag, BP = 7.4 mag
 Object Magnitude          : V = 17.55 mag
 Estimated Magnitude Drop  : 10.2 mag
 Estimated Max. Duration   : 1.9 sec
 Speed of the shadow       : 13.2 km/s
 Object Mean Diameter      : 25.6 km  (src: astorb) => apparent = 13 mas
 Apparent Motion           : 0.3967 arcs/min @ PA = 50 deg
 Horizontal Parallax       : 3.1910 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 108° (sunlit = 93%), Sun = 97°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#66
 Note                      : FP:true

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


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