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Stellar Occultation by (363455) 2003 SG190 on 2025-08-18 (20:24:44 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] : 4904a440-ddb7-11f0-547e-910b77e0e3ee [observed]

 Occultation Date + Time   : 2025-08-18 at 20:24:44 UT +/- 0.09 min  [1]
 Object Designation        : (363455) 2003 SG190
 Star Designation          : GDR3 4216692414687194624
 Star Coordinates (ICRF)   : RA = 20 13 05.2061, DE = -07 09 47.671  [2]
 Star Magnitudes           : G = 11.63 mag, RP = 10.92 mag, BP = 12.2 mag
 Object Magnitude          : V = 20.3 mag
 Estimated Magnitude Drop  : 8.7 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 8.4 km/s
 Object Mean Diameter      : 1.80 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.4083 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 5.1890 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 143° (sunlit = 22%), Sun = 155°
 Cross-track uncertainty   : 31.3 mas = 38 km = 21.37 path-width (1-sig)
 RUWE and duplicate source : 1.44 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL23
 Note                      : FP:true

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


More Data and Informations
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