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Stellar Occultation by (356227) 2009 SE248 on 2023-12-23 (20:43:15 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] : 4bb1f150-ddb4-11f0-547e-baf0d9f4d625 [observed]

 Occultation Date + Time   : 2023-12-23 at 20:43:15 UT +/- 0.1 min  [1]
 Object Designation        : (356227) 2009 SE248
 Star Designation          : GDR3 0878402317628034944
 Star Coordinates (ICRF)   : RA = 07 44 39.8168, DE = +28 39 33.410  [2]
 Star Magnitudes           : G = 10.84 mag, RP = 10.3 mag, BP = 11.21 mag
 Object Magnitude          : V = 21.27 mag
 Estimated Magnitude Drop  : 10.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.9 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3050 arcs/min @ PA = 289 deg
 Horizontal Parallax       : 2.1850 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 59° (sunlit = 89%), Sun = 158°
 Cross-track uncertainty   : 27.7 mas = 80 km = 17.58 path-width (1-sig)
 RUWE and duplicate source : 4.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#22
 Note                      : FP:true

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


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