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Stellar Occultation by (322) Phaeo on 2025-11-20 (18:03:54 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] : bf040cc0-ddb8-11f0-547e-7079fbdf5fa2 [observed]

 Occultation Date + Time   : 2025-11-20 at 18:03:54 UT +/- 0.01 min  [1]
 Object Designation        : (322) Phaeo
 Star Designation          : GDR3 6908644325149889024
 Star Coordinates (ICRF)   : RA = 21 00 34.3119, DE = -08 36 01.147  [2]
 Star Magnitudes           : G = 13.53 mag, RP = 12.98 mag, BP = 13.9 mag
 Object Magnitude          : V = 13.66 mag
 Estimated Magnitude Drop  : 0.8 mag
 Estimated Max. Duration   : 2.7 sec
 Speed of the shadow       : 26.6 km/s
 Object Mean Diameter      : 70.8 km  (src: astorb) => apparent = 46 mas
 Apparent Motion           : 1.0267 arcs/min @ PA = 79 deg
 Horizontal Parallax       : 4.1080 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 72° (sunlit = 0%), Sun = 77°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.03 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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