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Stellar Occultation by (128253) 2003 SU258 on 2023-07-07 (22:30:44 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] : c41b18c0-ddb3-11f0-547e-d2033fbf0065 [observed]

 Occultation Date + Time   : 2023-07-07 at 22:30:44 UT +/- 0.01 min  [1]
 Object Designation        : (128253) 2003 SU258
 Star Designation          : GDR3 4113575369545841664
 Star Coordinates (ICRF)   : RA = 17 02 30.2032, DE = -23 49 55.060  [2]
 Star Magnitudes           : G = 11.7 mag, RP = 10.72 mag, BP = 12.69 mag
 Object Magnitude          : V = 19.61 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 8.4 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3583 arcs/min @ PA = 270 deg
 Horizontal Parallax       : 4.5300 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 91° (sunlit = 74%), Sun = 151°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.32 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39
 Note                      : FP:true

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


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