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Stellar Occultation by (2908) Shimoyama on 2026-06-01 (01:17:56 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] : 58930990-3408-11f1-6999-605fee7bcafd [asteroids]

 Occultation Date + Time   : 2026-06-01 at 01:17:56 UT +/- 0.0 min  [1]
 Object Designation        : (2908) Shimoyama
 Star Designation          : GDR3 4148893882067476480
 Star Coordinates (ICRF)   : RA = 17 51 43.2659, DE = -13 53 14.809  [2]
 Star Magnitudes           : G = 14.58 mag, RP = 13.39 mag, BP = 16.04 mag
 Object Magnitude          : V = 16.68 mag
 Estimated Magnitude Drop  : 2.3 mag
 Estimated Max. Duration   : 2.3 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 29.4 km  (src: astorb) => apparent = 18 mas
 Apparent Motion           : 0.4833 arcs/min @ PA = 292 deg
 Horizontal Parallax       : 3.9870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 17° (sunlit = 100%), Sun = 160°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67
 Note                      : FP:true

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


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