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Stellar Occultation by (165743) 2001 QS164 on 2024-11-09 (22:40:17 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] : a0965070-ddb5-11f0-547e-b2a9ff371ab9 [observed]

 Occultation Date + Time   : 2024-11-09 at 22:40:17 UT +/- 0.06 min  [1]
 Object Designation        : (165743) 2001 QS164
 Star Designation          : GDR3 0330276220490105984
 Star Coordinates (ICRF)   : RA = 01 55 20.4840, DE = +35 46 01.821  [2]
 Star Magnitudes           : G = 9.85 mag, RP = 9.4 mag, BP = 10.12 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 8.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.6 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4983 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 6.1290 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 58%), Sun = 156°
 Cross-track uncertainty   : 29.0 mas = 30 km = 10.78 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 Note                      : FP:true

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


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