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Stellar Occultation by (31258) 1998 EE on 2026-09-03 (21:56:00 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] : 512724a0-d9af-11f1-43f3-b8adcdf27c1a [observed]

 Occultation Date + Time   : 2026-09-03 at 21:56:00 UT +/- 0.01 min  [1]
 Object Designation        : (31258) 1998 EE
 Star Designation          : GDR3 2482887440965877632
 Star Coordinates (ICRF)   : RA = 01 15 45.1726, DE = -04 17 46.915  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.6 mag, BP = 13.45 mag
 Object Magnitude          : V = 17.92 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 7.8 km/s
 Object Mean Diameter      : 7.6 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3117 arcs/min @ PA = 245 deg
 Horizontal Parallax       : 4.2400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 53° (sunlit = 55%), Sun = 144°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.46 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL64
 Note                      : FP:true

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


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