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Stellar Occultation by (39160) 2000 WC116 on 2023-10-18 (03:51:34 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] : 2bdb75e0-ddb4-11f0-547e-11bfefff9c40 [observed]

 Occultation Date + Time   : 2023-10-18 at 03:51:34 UT +/- 0.01 min  [1]
 Object Designation        : (39160) 2000 WC116
 Star Designation          : GDR3 0885640093435407488
 Star Coordinates (ICRF)   : RA = 07 24 52.0825, DE = +29 41 24.830  [2]
 Star Magnitudes           : G = 14.12 mag, RP = 13.6 mag, BP = 14.48 mag
 Object Magnitude          : V = 18.76 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 16.8 km/s
 Object Mean Diameter      : 6.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5533 arcs/min @ PA = 69 deg
 Horizontal Parallax       : 3.5020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 12%), Sun = 96°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.19 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL41
 Note                      : FP:true

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


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