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Stellar Occultation by (19516) 1998 QF80 on 2023-09-06 (21:24:46 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] : 004a3380-ddb4-11f0-547e-3c1a530fb506 [observed]

 Occultation Date + Time   : 2023-09-06 at 21:24:46 UT +/- 0.0 min  [1]
 Object Designation        : (19516) 1998 QF80
 Star Designation          : GDR3 4096174459834969344
 Star Coordinates (ICRF)   : RA = 18 26 12.2205, DE = -18 34 46.308  [2]
 Star Magnitudes           : G = 13.05 mag, RP = 11.84 mag, BP = 14.56 mag
 Object Magnitude          : V = 16.32 mag
 Estimated Magnitude Drop  : 3.3 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 9.2 km/s
 Object Mean Diameter      : 6.8 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.6850 arcs/min @ PA = 63 deg
 Horizontal Parallax       : 7.9140 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 50%), Sun = 112°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.27 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL57
 Note                      : FP:true

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


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