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Stellar Occultation by (226403) 2003 QT58 on 2023-09-15 (19:54:14 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] : 09935e30-ddb4-11f0-547e-db87e3ef167a [observed]

 Occultation Date + Time   : 2023-09-15 at 19:54:14 UT +/- 0.01 min  [1]
 Object Designation        : (226403) 2003 QT58
 Star Designation          : GDR3 2404361488740960384
 Star Coordinates (ICRF)   : RA = 22 52 53.2901, DE = -16 51 14.886  [2]
 Star Magnitudes           : G = 11.65 mag, RP = 11.17 mag, BP = 11.96 mag
 Object Magnitude          : V = 19.73 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 2.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4900 arcs/min @ PA = 240 deg
 Horizontal Parallax       : 4.3250 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 1%), Sun = 163°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.66 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL42
 Note                      : FP:true

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


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