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Stellar Occultation by (40150) 1998 QF75 on 2026-10-07 (20:04:22 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] : eb224b70-d9b4-11f1-43f3-0db3faff51c7 [observed]

 Occultation Date + Time   : 2026-10-07 at 20:04:22 UT +/- 0.05 min  [1]
 Object Designation        : (40150) 1998 QF75
 Star Designation          : GDR3 2684427578739610880
 Star Coordinates (ICRF)   : RA = 21 19 59.4406, DE = -04 06 32.323  [2]
 Star Magnitudes           : G = 10.78 mag, RP = 10.42 mag, BP = 10.98 mag
 Object Magnitude          : V = 18.17 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 7.9 km/s
 Object Mean Diameter      : 5.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3633 arcs/min @ PA = 145 deg
 Horizontal Parallax       : 4.8860 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 9%), Sun = 126°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.40 path-width (1-sig)
 RUWE and duplicate source : 0.82 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL55
 Note                      : FP:true

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


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