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Stellar Occultation by (206347) 2003 QL1 on 2025-08-15 (21:24:32 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] : 434f9cd0-ddb7-11f0-547e-9204ff7f4085 [observed]

 Occultation Date + Time   : 2025-08-15 at 21:24:32 UT +/- 0.2 min  [1]
 Object Designation        : (206347) 2003 QL1
 Star Designation          : GDR3 4064321303052252416
 Star Coordinates (ICRF)   : RA = 17 56 00.8532, DE = -25 41 43.608  [2]
 Star Magnitudes           : G = 10.94 mag, RP = 10.68 mag, BP = 11.07 mag
 Object Magnitude          : V = 19.84 mag
 Estimated Magnitude Drop  : 8.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 5.0 km/s
 Object Mean Diameter      : 1.40 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3600 arcs/min @ PA = 61 deg
 Horizontal Parallax       : 7.7040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 140° (sunlit = 54%), Sun = 126°
 Cross-track uncertainty   : 23.7 mas = 19 km = 14.02 path-width (1-sig)
 RUWE and duplicate source : 0.79 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL23
 Note                      : FP:true

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


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