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Stellar Occultation by (4498) Shinkoyama on 2025-01-02 (02:39:25 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] : d93128b0-89dd-11ef-78cd-03e4bd752164 [asteroids]

 Occultation Date + Time   : 2025-01-02 at 02:39:25 UT +/- 0.0 min  [1]
 Object Designation        : (4498) Shinkoyama
 Star Designation          : GDR3 3426520068324478848
 Star Coordinates (ICRF)   : RA = 06 02 02.3935, DE = +24 55 24.975  [2]
 Star Magnitudes           : G = 12.33 mag, RP = 11.39 mag, BP = 13.24 mag
 Object Magnitude          : V = 16.2 mag
 Estimated Magnitude Drop  : 3.9 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 14 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.1 km/s
 Elongation to Moon & Sun  : 141° (sunlit = 5%), Sun = 168°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60

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


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