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Stellar Occultation by (15498) 1999 EQ4 on 2026-05-28 (00:46:09 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] : 04035fb0-343f-11f1-6999-03bafdfb7f4b [asteroids]

 Occultation Date + Time   : 2026-05-28 at 00:46:09 UT +/- 0.0 min  [1]
 Object Designation        : (15498) 1999 EQ4
 Star Designation          : GDR3 4335226571383920512
 Star Coordinates (ICRF)   : RA = 17 01 39.1627, DE = -10 15 02.825  [2]
 Star Magnitudes           : G = 12.39 mag, RP = 11.69 mag, BP = 12.94 mag
 Object Magnitude          : V = 17.23 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 13.1 km/s
 Object Mean Diameter      : 10.5 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.4900 arcs/min @ PA = 285 deg
 Horizontal Parallax       : 3.9760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 48° (sunlit = 90%), Sun = 165°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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