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Stellar Occultation by (89186) 2001 UA75 on 2023-05-21 (21:04:57 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] : 9a146e00-ddb3-11f0-547e-43e77fff43eb [observed]

 Occultation Date + Time   : 2023-05-21 at 21:04:57 UT +/- 0.02 min  [1]
 Object Designation        : (89186) 2001 UA75
 Star Designation          : GDR3 3638999419079056384
 Star Coordinates (ICRF)   : RA = 14 13 27.6821, DE = -08 59 14.442  [2]
 Star Magnitudes           : G = 10.58 mag, RP = 9.98 mag, BP = 11.01 mag
 Object Magnitude          : V = 20.13 mag
 Estimated Magnitude Drop  : 9.6 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.1 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4033 arcs/min @ PA = 283 deg
 Horizontal Parallax       : 4.2510 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 127° (sunlit = 5%), Sun = 153°
 Cross-track uncertainty   : 2.9 mas = 4 km = 1.67 path-width (1-sig)
 RUWE and duplicate source : 17.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37
 Note                      : FP:true

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


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