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Stellar Occultation by (1108) Demeter on 2026-04-07 (20:14:41 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] : 89c98370-33dd-11f1-6999-95b6e7bf7580 [asteroids]

 Occultation Date + Time   : 2026-04-07 at 20:14:41 UT +/- 0.01 min  [1]
 Object Designation        : (1108) Demeter
 Star Designation          : GDR3 3058594821653480704
 Star Coordinates (ICRF)   : RA = 07 23 35.6893, DE = -05 15 52.887  [2]
 Star Magnitudes           : G = 13.56 mag, RP = 12.89 mag, BP = 13.63 mag
 Object Magnitude          : V = 17.59 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 1.8 sec
 Speed of the shadow       : 14.1 km/s
 Object Mean Diameter      : 25.6 km  (src: astorb) => apparent = 13 mas
 Apparent Motion           : 0.4167 arcs/min @ PA = 54 deg
 Horizontal Parallax       : 3.1480 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 72%), Sun = 95°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 11.47 mas, dup.src = 0  (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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