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Stellar Occultation by (9084) Achristou on 2026-07-28 (21:54:04 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] : cbc0c800-d9ab-11f1-43f3-1e38eeffa81e [observed]

 Occultation Date + Time   : 2026-07-28 at 21:54:04 UT +/- 0.01 min  [1]
 Object Designation        : (9084) Achristou
 Star Designation          : GDR3 2025106320206385792
 Star Coordinates (ICRF)   : RA = 19 38 16.1952, DE = +27 13 30.702  [2]
 Star Magnitudes           : G = 12.19 mag, RP = 11.29 mag, BP = 13.04 mag
 Object Magnitude          : V = 17.93 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 7.0 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.6517 arcs/min @ PA = 227 deg
 Horizontal Parallax       : 9.9600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 51° (sunlit = 100%), Sun = 132°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.19 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL46
 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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