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Stellar Occultation by (1983) Bok on 2023-12-17 (19:21:39 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] : 4efef970-ddb4-11f0-547e-f740fbbe3009 [observed]

 Occultation Date + Time   : 2023-12-17 at 19:21:39 UT +/- 0.0 min  [1]
 Object Designation        : (1983) Bok
 Star Designation          : GDR3 0941054757922090368
 Star Coordinates (ICRF)   : RA = 06 52 16.5509, DE = +37 07 36.971  [2]
 Star Magnitudes           : G = 12.09 mag, RP = 11.54 mag, BP = 12.47 mag
 Object Magnitude          : V = 16.84 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 11.1 km/s
 Object Mean Diameter      : 8.0 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.5633 arcs/min @ PA = 287 deg
 Horizontal Parallax       : 5.3900 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 131° (sunlit = 28%), Sun = 159°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65
 Note                      : FP:true

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


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