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Stellar Occultation by (33837) 2000 FQ40 on 2026-10-28 (19:02:54 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] : 42b39790-d9b5-11f1-43f3-2c22b1bb9083 [observed]

 Occultation Date + Time   : 2026-10-28 at 19:02:54 UT +/- 0.01 min  [1]
 Object Designation        : (33837) 2000 FQ40
 Star Designation          : GDR3 0235946193069282688
 Star Coordinates (ICRF)   : RA = 03 23 44.4617, DE = +39 47 26.358  [2]
 Star Magnitudes           : G = 9.84 mag, RP = 8.81 mag, BP = 10.93 mag
 Object Magnitude          : V = 17.79 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 17.1 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.8667 arcs/min @ PA = 299 deg
 Horizontal Parallax       : 5.3850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 20° (sunlit = 91%), Sun = 149°
 Cross-track uncertainty   : 5.3 mas = 6 km = 1.14 path-width (1-sig)
 RUWE and duplicate source : 1.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL47
 Note                      : FP:true

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


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