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Stellar Occultation by (353179) 2009 RA12 on 2023-12-19 (00:32:49 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] : 49659050-ddb4-11f0-547e-a30feafabba7 [observed]

 Occultation Date + Time   : 2023-12-19 at 00:32:49 UT +/- 0.07 min  [1]
 Object Designation        : (353179) 2009 RA12
 Star Designation          : GDR3 3349807687511594752
 Star Coordinates (ICRF)   : RA = 05 57 46.4928, DE = +17 09 34.527  [2]
 Star Magnitudes           : G = 12.88 mag, RP = 12.04 mag, BP = 13.63 mag
 Object Magnitude          : V = 20.48 mag
 Estimated Magnitude Drop  : 7.6 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 16.4 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3467 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 2.2520 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 102° (sunlit = 41%), Sun = 173°
 Cross-track uncertainty   : 23.3 mas = 65 km = 11.58 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#24
 Note                      : FP:true

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


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