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Stellar Occultation by (197916) 2004 RU49 on 2024-10-25 (18:18:30 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] : 91cbff90-ddb5-11f0-547e-4805786ff5ee [observed]

 Occultation Date + Time   : 2024-10-25 at 18:18:30 UT +/- 0.32 min  [1]
 Object Designation        : (197916) 2004 RU49
 Star Designation          : GDR3 0202359273937479552
 Star Coordinates (ICRF)   : RA = 05 12 19.1849, DE = +43 48 50.211  [2]
 Star Magnitudes           : G = 11.39 mag, RP = 10.87 mag, BP = 11.74 mag
 Object Magnitude          : V = 20.27 mag
 Estimated Magnitude Drop  : 8.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 7.2 km/s
 Object Mean Diameter      : 1.60 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.4017 arcs/min @ PA = 346 deg
 Horizontal Parallax       : 5.9570 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 59° (sunlit = 36%), Sun = 129°
 Cross-track uncertainty   : 2.0 mas = 2 km = 1.34 path-width (1-sig)
 RUWE and duplicate source : 1.5 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#25
 Note                      : FP:true

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


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