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Stellar Occultation by (5457) Queen's on 2023-09-20 (00:12:24 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] : 146328e0-ddb4-11f0-547e-5c0d7f3d9a61 [observed]

 Occultation Date + Time   : 2023-09-20 at 00:12:24 UT +/- 0.0 min  [1]
 Object Designation        : (5457) Queen's
 Star Designation          : GDR3 2749281138232702080
 Star Coordinates (ICRF)   : RA = 00 20 39.1654, DE = +08 35 56.006  [2]
 Star Magnitudes           : G = 13.09 mag, RP = 12.47 mag, BP = 13.54 mag
 Object Magnitude          : V = 16.54 mag
 Estimated Magnitude Drop  : 3.5 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 11.9 km/s
 Object Mean Diameter      : 12.2 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.4850 arcs/min @ PA = 248 deg
 Horizontal Parallax       : 4.3380 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 22%), Sun = 167°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 1.22 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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