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Stellar Occultation by (15736) Hamanasu on 2025-12-31 (21:26:40 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] : 619f3970-d997-11f1-43f3-a8bddeff2b5d [observed]

 Occultation Date + Time   : 2025-12-31 at 21:26:40 UT +/- 0.0 min  [1]
 Object Designation        : (15736) Hamanasu
 Star Designation          : GDR3 3384247552789992064
 Star Coordinates (ICRF)   : RA = 06 29 46.6305, DE = +25 47 09.652  [2]
 Star Magnitudes           : G = 11.52 mag, RP = 11.04 mag, BP = 11.84 mag
 Object Magnitude          : V = 15.89 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 8.4 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.6400 arcs/min @ PA = 289 deg
 Horizontal Parallax       : 8.0630 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 32° (sunlit = 91%), Sun = 175°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.82 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL64
 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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