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Stellar Occultation by (3786) Yamada on 2026-07-31 (20:33:00 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] : 2a4f2bf0-d9ac-11f1-43f3-012f477fdd1a [observed]

 Occultation Date + Time   : 2026-07-31 at 20:33:00 UT +/- 0.02 min  [1]
 Object Designation        : (3786) Yamada
 Star Designation          : GDR3 4136669644887455360
 Star Coordinates (ICRF)   : RA = 17 26 09.4872, DE = -16 06 10.800  [2]
 Star Magnitudes           : G = 13.2 mag, RP = 12.15 mag, BP = 14.34 mag
 Object Magnitude          : V = 15.17 mag
 Estimated Magnitude Drop  : 2.1 mag
 Estimated Max. Duration   : 5.6 sec
 Speed of the shadow       : 3.2 km/s
 Object Mean Diameter      : 17.7 km  (src: astorb) => apparent = 16 mas
 Apparent Motion           : 0.1700 arcs/min @ PA = 337 deg
 Horizontal Parallax       : 5.7150 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 73° (sunlit = 95%), Sun = 133°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL72
 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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