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Stellar Occultation by (115708) 2003 UA169 on 2024-07-24 (01:19:31 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] : 0dff7570-ddb5-11f0-547e-4826d3cfe485 [observed]

 Occultation Date + Time   : 2024-07-24 at 01:19:31 UT +/- 0.03 min  [1]
 Object Designation        : (115708) 2003 UA169
 Star Designation          : GDR3 4092800922026590592
 Star Coordinates (ICRF)   : RA = 18 31 22.2383, DE = -19 48 06.876  [2]
 Star Magnitudes           : G = 10.26 mag, RP = 9.01 mag, BP = 12.04 mag
 Object Magnitude          : V = 19.52 mag
 Estimated Magnitude Drop  : 9.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 9.2 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4300 arcs/min @ PA = 270 deg
 Horizontal Parallax       : 4.9640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 60° (sunlit = 91%), Sun = 155°
 Cross-track uncertainty   : 2.7 mas = 3 km = 1.28 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41
 Note                      : FP:true

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


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