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Stellar Occultation by (363135) 2001 QQ199 on 2024-08-07 (22:04:29 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] : 2ff8a9d0-ddb5-11f0-547e-0ac9ff63ae30 [observed]

 Occultation Date + Time   : 2024-08-07 at 22:04:29 UT +/- 0.06 min  [1]
 Object Designation        : (363135) 2001 QQ199
 Star Designation          : GDR3 4538403435300697472
 Star Coordinates (ICRF)   : RA = 18 51 40.1313, DE = +27 50 41.287  [2]
 Star Magnitudes           : G = 10.15 mag, RP = 9.89 mag, BP = 10.3 mag
 Object Magnitude          : V = 20.1 mag
 Estimated Magnitude Drop  : 10.0 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 16.3 km/s
 Object Mean Diameter      : 9.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3050 arcs/min @ PA = 234 deg
 Horizontal Parallax       : 1.9930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 104° (sunlit = 11%), Sun = 124°
 Cross-track uncertainty   : 5.7 mas = 18 km = 1.86 path-width (1-sig)
 RUWE and duplicate source : 2.76 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#38
 Note                      : FP:true

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


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