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Stellar Occultation by (1817) Katanga on 2023-06-23 (01:10:14 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] : bb637fb0-ddb3-11f0-547e-531dfdbfa62e [observed]

 Occultation Date + Time   : 2023-06-23 at 01:10:14 UT +/- 0.0 min  [1]
 Object Designation        : (1817) Katanga
 Star Designation          : GDR3 4121939521958928896
 Star Coordinates (ICRF)   : RA = 17 20 23.0586, DE = -20 27 53.919  [2]
 Star Magnitudes           : G = 14.18 mag, RP = 13.21 mag, BP = 15.14 mag
 Object Magnitude          : V = 13.21 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 13.0 km/s
 Object Mean Diameter      : 15.9 km  (src: astorb) => apparent = 23 mas
 Apparent Motion           : 1.1033 arcs/min @ PA = 223 deg
 Horizontal Parallax       : 9.0370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 115° (sunlit = 21%), Sun = 169°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72
 Note                      : FP:true

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


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