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Stellar Occultation by (1194) Aletta on 2026-07-13 (21:25:37 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] : 75e7f6c0-d9aa-11f1-43f3-3a477ffb846e [observed]

 Occultation Date + Time   : 2026-07-13 at 21:25:37 UT +/- 0.0 min  [1]
 Object Designation        : (1194) Aletta
 Star Designation          : GDR3 4073461611954143104
 Star Coordinates (ICRF)   : RA = 18 42 48.9618, DE = -25 09 55.120  [2]
 Star Magnitudes           : G = 11.76 mag, RP = 10.8 mag, BP = 12.72 mag
 Object Magnitude          : V = 14.81 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 4.5 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 55.4 km  (src: astorb) => apparent = 39 mas
 Apparent Motion           : 0.5200 arcs/min @ PA = 282 deg
 Horizontal Parallax       : 4.4920 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 175° (sunlit = 0%), Sun = 168°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL74
 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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