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Stellar Occultation by (42318) 2001 XV1 on 2023-11-22 (20:17:33 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] : 3d30b760-ddb4-11f0-547e-caf97cbb9354 [observed]

 Occultation Date + Time   : 2023-11-22 at 20:17:33 UT +/- 0.01 min  [1]
 Object Designation        : (42318) 2001 XV1
 Star Designation          : GDR3 2646336647662891136
 Star Coordinates (ICRF)   : RA = 23 39 10.8980, DE = +01 47 27.426  [2]
 Star Magnitudes           : G = 12.42 mag, RP = 11.84 mag, BP = 12.83 mag
 Object Magnitude          : V = 17.97 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.7 km/s
 Object Mean Diameter      : 7.1 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4867 arcs/min @ PA = 140 deg
 Horizontal Parallax       : 4.4060 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 8° (sunlit = 76%), Sun = 116°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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