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Stellar Occultation by (109520) 2001 QX241 on 2024-11-08 (21:45:23 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] : a00ad950-ddb5-11f0-547e-e921f47e4b9c [observed]

 Occultation Date + Time   : 2024-11-08 at 21:45:23 UT +/- 0.29 min  [1]
 Object Designation        : (109520) 2001 QX241
 Star Designation          : GDR3 3376031623949795840
 Star Coordinates (ICRF)   : RA = 06 27 57.0812, DE = +21 04 50.738  [2]
 Star Magnitudes           : G = 11.94 mag, RP = 11.15 mag, BP = 12.6 mag
 Object Magnitude          : V = 20.16 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 2.2 km/s
 Object Mean Diameter      : 2.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1033 arcs/min @ PA = 263 deg
 Horizontal Parallax       : 4.9710 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 143° (sunlit = 46%), Sun = 130°
 Cross-track uncertainty   : 18.0 mas = 23 km = 10.50 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL40
 Note                      : FP:true

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


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