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Stellar Occultation by (219087) 1998 QT86 on 2025-11-09 (19:29:16 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] : b1226e30-ddb8-11f0-547e-3e7ffeffa054 [observed]

 Occultation Date + Time   : 2025-11-09 at 19:29:16 UT +/- 0.02 min  [1]
 Object Designation        : (219087) 1998 QT86
 Star Designation          : GDR3 2675474221194777600
 Star Coordinates (ICRF)   : RA = 22 05 28.3818, DE = -03 37 44.064  [2]
 Star Magnitudes           : G = 10.65 mag, RP = 9.83 mag, BP = 11.38 mag
 Object Magnitude          : V = 19.74 mag
 Estimated Magnitude Drop  : 9.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.0 km/s
 Object Mean Diameter      : 2.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5683 arcs/min @ PA = 104 deg
 Horizontal Parallax       : 4.6440 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 134° (sunlit = 76%), Sun = 104°
 Cross-track uncertainty   : 2.3 mas = 3 km = 1.09 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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