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Stellar Occultation by (304) Olga on 2026-09-07 (19:38:46 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] : b9e40a30-d9af-11f1-43f3-29ccffa595f9 [observed]

 Occultation Date + Time   : 2026-09-07 at 19:38:46 UT +/- 0.0 min  [1]
 Object Designation        : (304) Olga
 Star Designation          : GDR3 4356106743871734272
 Star Coordinates (ICRF)   : RA = 16 13 08.2891, DE = -05 58 18.989  [2]
 Star Magnitudes           : G = 14.23 mag, RP = 13.39 mag, BP = 14.97 mag
 Object Magnitude          : V = 14.5 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 2.7 sec
 Speed of the shadow       : 25.2 km/s
 Object Mean Diameter      : 67.9 km  (src: astorb) => apparent = 47 mas
 Apparent Motion           : 1.0350 arcs/min @ PA = 117 deg
 Horizontal Parallax       : 4.3700 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 119° (sunlit = 14%), Sun = 78°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL87
 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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