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Stellar Occultation by (5457) Queen's on 2023-09-04 (22:18:07 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] : 17400a10-ddb4-11f0-547e-97b96e7f9136 [observed]

 Occultation Date + Time   : 2023-09-04 at 22:18:07 UT +/- 0.0 min  [1]
 Object Designation        : (5457) Queen's
 Star Designation          : GDR3 2750746718513211520
 Star Coordinates (ICRF)   : RA = 00 30 31.5426, DE = +09 27 57.185  [2]
 Star Magnitudes           : G = 12.44 mag, RP = 11.95 mag, BP = 12.77 mag
 Object Magnitude          : V = 16.87 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 9.0 km/s
 Object Mean Diameter      : 12.2 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.3567 arcs/min @ PA = 253 deg
 Horizontal Parallax       : 4.2020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 37° (sunlit = 71%), Sun = 151°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#70
 Note                      : FP:true

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


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