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Stellar Occultation by (2558) Viv on 2024-11-01 (19:22:20 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] : 98a98170-ddb5-11f0-547e-2ffaef3fbb4e [observed]

 Occultation Date + Time   : 2024-11-01 at 19:22:20 UT +/- 0.0 min  [1]
 Object Designation        : (2558) Viv
 Star Designation          : GDR3 0074906432961092864
 Star Coordinates (ICRF)   : RA = 02 31 42.2051, DE = +13 45 50.540  [2]
 Star Magnitudes           : G = 13.71 mag, RP = 13.13 mag, BP = 14.12 mag
 Object Magnitude          : V = 15.66 mag
 Estimated Magnitude Drop  : 2.1 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 9.1 km/s
 Object Mean Diameter      : 5.9 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.7017 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 8.2430 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 175° (sunlit = 0%), Sun = 179°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#64
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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