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Stellar Occultation by (25289) 1998 WE12 on 2023-09-28 (04:09:19 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] : 142b28f0-ddb4-11f0-547e-3dc8f8759c3f [observed]

 Occultation Date + Time   : 2023-09-28 at 04:09:19 UT +/- 0.0 min  [1]
 Object Designation        : (25289) 1998 WE12
 Star Designation          : GDR3 3423998441484396544
 Star Coordinates (ICRF)   : RA = 05 53 58.3748, DE = +21 50 10.616  [2]
 Star Magnitudes           : G = 8.65 mag, RP = 8.54 mag, BP = 8.66 mag
 Object Magnitude          : V = 18.81 mag
 Estimated Magnitude Drop  : 10.2 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 12.8 km/s
 Object Mean Diameter      : 7.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3933 arcs/min @ PA = 88 deg
 Horizontal Parallax       : 3.2800 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 101° (sunlit = 98%), Sun = 96°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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


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