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Stellar Occultation by (109413) 2001 QH186 on 2023-11-22 (17:45:30 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] : 3ee3be90-ddb4-11f0-547e-25557fffc99f [observed]

 Occultation Date + Time   : 2023-11-22 at 17:45:30 UT +/- 0.0 min  [1]
 Object Designation        : (109413) 2001 QH186
 Star Designation          : GDR3 0208727580865995520
 Star Coordinates (ICRF)   : RA = 05 19 44.8599, DE = +45 22 21.875  [2]
 Star Magnitudes           : G = 10.6 mag, RP = 10.16 mag, BP = 10.87 mag
 Object Magnitude          : V = 18.4 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5233 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 5.6280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 84° (sunlit = 75%), Sun = 149°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42
 Note                      : FP:true

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


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