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Stellar Occultation by (2455) Somville on 2026-07-18 (23:51:15 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] : f53b7be0-d9aa-11f1-43f3-1c79e73bb519 [observed]

 Occultation Date + Time   : 2026-07-18 at 23:51:15 UT +/- 0.0 min  [1]
 Object Designation        : (2455) Somville
 Star Designation          : GDR3 6854415793195237888
 Star Coordinates (ICRF)   : RA = 20 13 40.6476, DE = -20 10 18.699  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.44 mag, BP = 13.26 mag
 Object Magnitude          : V = 15.84 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 12.1 km/s
 Object Mean Diameter      : 13.3 km  (src: astorb) => apparent = 10 mas
 Apparent Motion           : 0.5567 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 4.8750 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 124° (sunlit = 26%), Sun = 175°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL71
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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