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Stellar Occultation by (230718) 2003 UX187 on 2023-07-26 (23:32:17 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] : f8ead860-c338-11ef-5276-f9465dfe7f3c [observed]

 Occultation Date + Time   : 2023-07-26 at 23:32:17 UT +/- 0.1 min  [1]
 Object Designation        : (230718) 2003 UX187
 Star Designation          : GDR3 4143816126862331776
 Star Coordinates (ICRF)   : RA = 17 59 42.6318, DE = -17 34 56.684  [2]
 Star Magnitudes           : G = 10.38 mag, RP = 9.56 mag, BP = 11.09 mag
 Object Magnitude          : V = 20.31 mag
 Estimated Magnitude Drop  : 9.9 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 2.8 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.9 km/s
 Elongation to Moon & Sun  : 44° (sunlit = 61%), Sun = 146°
 Cross-track uncertainty   : 22.3 mas = 36 km = 13.04 path-width (1-sig)
 RUWE and duplicate source : 1.45 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#35

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


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