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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] : e9c39bb5-e4f0-446f-9a5d-6c4bd3f4d0c8 [observed]

 Occultation Date + Time   : 2023-11-22 at 17:45:30 UT +/- 0.06 min  [1]
 Object Designation        : (109413) 2001 QH186
 Star Designation          : GDR3 0208727580865995520
 Star Coordinates (ICRF)   : RA = 05 19 44.8610, DE = +45 22 21.877  [2]
 Star Magnitudes           : G = 10.6 mag, RP = 10.16 mag, BP = 10.87 mag
 Object Magnitude          : V = 18.47 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 3.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.9 km/s
 Elongation to Moon & Sun  : 84° (sunlit = 75%), Sun = 149°
 Cross-track uncertainty   : 9.0 mas = 10 km = 2.76 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34

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


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