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Stellar Occultation by (296745) 2009 TL46 on 2023-12-18 (00:50:45 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] : 49470bd0-ddb4-11f0-547e-e38a4fce7a74 [observed]

 Occultation Date + Time   : 2023-12-18 at 00:50:45 UT +/- 0.07 min  [1]
 Object Designation        : (296745) 2009 TL46
 Star Designation          : GDR3 0869928278433474944
 Star Coordinates (ICRF)   : RA = 07 27 30.1710, DE = +24 28 00.556  [2]
 Star Magnitudes           : G = 12.9 mag, RP = 12.47 mag, BP = 13.16 mag
 Object Magnitude          : V = 20.37 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 14.6 km/s
 Object Mean Diameter      : 7.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2950 arcs/min @ PA = 290 deg
 Horizontal Parallax       : 2.1480 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 137° (sunlit = 30%), Sun = 156°
 Cross-track uncertainty   : 18.3 mas = 54 km = 7.65 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL33
 Note                      : FP:true

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


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