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Stellar Occultation by (409039) 2003 QM117 on 2024-09-13 (20:54:44 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] : 60455160-ddb5-11f0-547e-d4389dfff5e7 [observed]

 Occultation Date + Time   : 2024-09-13 at 20:54:44 UT +/- 0.86 min  [1]
 Object Designation        : (409039) 2003 QM117
 Star Designation          : GDR3 6747926786376161536
 Star Coordinates (ICRF)   : RA = 19 43 51.7536, DE = -32 24 14.320  [2]
 Star Magnitudes           : G = 10.68 mag, RP = 9.57 mag, BP = 11.93 mag
 Object Magnitude          : V = 20.75 mag
 Estimated Magnitude Drop  : 10.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 2.2 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3233 arcs/min @ PA = 7 deg
 Horizontal Parallax       : 4.2280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 6° (sunlit = 76%), Sun = 120°
 Cross-track uncertainty   : 25.7 mas = 38 km = 17.62 path-width (1-sig)
 RUWE and duplicate source : 1.22 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#27
 Note                      : FP:true

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


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