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Stellar Occultation by (91152) 1998 QW41 on 2026-09-15 (21:34:38 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] : 7dd52c30-d9b0-11f1-43f3-992eef9e5475 [observed]

 Occultation Date + Time   : 2026-09-15 at 21:34:38 UT +/- 0.01 min  [1]
 Object Designation        : (91152) 1998 QW41
 Star Designation          : GDR3 0292951064901586304
 Star Coordinates (ICRF)   : RA = 01 19 35.0800, DE = +23 10 52.913  [2]
 Star Magnitudes           : G = 13.82 mag, RP = 13.28 mag, BP = 14.19 mag
 Object Magnitude          : V = 18.01 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 10.3 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4750 arcs/min @ PA = 300 deg
 Horizontal Parallax       : 4.9260 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 23%), Sun = 144°
 Cross-track uncertainty   : 4.3 mas = 5 km = 0.96 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


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