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Stellar Occultation by (10916) Okina-Ouna on 2025-09-03 (23:50:27 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] : 60adc540-ddb7-11f0-547e-abf205f9c4ff [observed]

 Occultation Date + Time   : 2025-09-03 at 23:50:27 UT +/- 0.01 min  [1]
 Object Designation        : (10916) Okina-Ouna
 Star Designation          : GDR3 2554736093435055232
 Star Coordinates (ICRF)   : RA = 00 29 41.1613, DE = +04 25 29.963  [2]
 Star Magnitudes           : G = 11.87 mag, RP = 11.36 mag, BP = 12.22 mag
 Object Magnitude          : V = 17.76 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 9.3 km/s
 Object Mean Diameter      : 7.3 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3917 arcs/min @ PA = 249 deg
 Horizontal Parallax       : 4.4820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 74° (sunlit = 84%), Sun = 153°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.19 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL62
 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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