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Stellar Occultation by (139702) 2001 QN226 on 2023-10-18 (19:31:53 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] : c93cabe8-8522-4e66-8abd-75743804a091 [observed]

 Occultation Date + Time   : 2023-10-18 at 19:31:53 UT +/- 0.16 min  [1]
 Object Designation        : (139702) 2001 QN226
 Star Designation          : GDR3 0232611069364399488
 Star Coordinates (ICRF)   : RA = 04 17 23.8022, DE = +44 28 53.284  [2]
 Star Magnitudes           : G = 13.04 mag, RP = 12.51 mag, BP = 13.41 mag
 Object Magnitude          : V = 19.59 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 3.6 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.0 km/s
 Elongation to Moon & Sun  : 161° (sunlit = 17%), Sun = 130°
 Cross-track uncertainty   : 8.0 mas = 12 km = 3.36 path-width (1-sig)
 RUWE and duplicate source : 1.45 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#26

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


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