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Stellar Occultation by (48433) 1989 US1 on 2023-09-26 (19:03:05 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] : d5ccf2ad-ba8a-429b-8c99-3170cdf01c67 [observed]

 Occultation Date + Time   : 2023-09-26 at 19:03:05 UT +/- 0.03 min  [1]
 Object Designation        : (48433) 1989 US1
 Star Designation          : GDR3 2385303615041861376
 Star Coordinates (ICRF)   : RA = 23 19 24.6858, DE = -22 41 53.994  [2]
 Star Magnitudes           : G = 11.03 mag, RP = 10.33 mag, BP = 11.58 mag
 Object Magnitude          : V = 16.27 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 6.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.1 km/s
 Elongation to Moon & Sun  : 19° (sunlit = 90%), Sun = 153°
 Cross-track uncertainty   : 11.3 mas = 8 km = 1.47 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39

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


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