Cora»OccDetail

Stellar Occultation by (1817) Katanga on 2023-07-09 (21:43:24 UT)

Event Details
Occultation UUID [and db] : c6a916a0-ddb3-11f0-547e-474a7e7f95fd [observed] Occultation Date + Time : 2023-07-09 at 21:43:24 UT +/- 0.0 min [1] Object Designation : (1817) Katanga Star Designation : GDR3 4112283713926493184 Star Coordinates (ICRF) : RA = 17 01 54.5937, DE = -25 30 00.302 [2] Star Magnitudes : G = 14.71 mag, RP = 14.07 mag, BP = 15.14 mag Object Magnitude : V = 13.77 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 1.5 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 15.9 km (src: astorb) => apparent = 21 mas Apparent Motion : 0.8233 arcs/min @ PA = 215 deg Horizontal Parallax : 8.2960 arcs Dynamical Class : MBA Elongation to Moon & Sun : 118° (sunlit = 52%), Sun = 149° Cross-track uncertainty : 1.0 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.93 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

Event Details

Occultation UUID [and db] : c6a916a0-ddb3-11f0-547e-474a7e7f95fd [observed] Occultation Date + Time : 2023-07-09 at 21:43:24 UT +/- 0.0 min [1] Object Designation : (1817) Katanga Star Designation : GDR3 4112283713926493184 Star Coordinates (ICRF) : RA = 17 01 54.5937, DE = -25 30 00.302 [2] Star Magnitudes : G = 14.71 mag, RP = 14.07 mag, BP = 15.14 mag Object Magnitude : V = 13.77 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 1.5 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 15.9 km (src: astorb) => apparent = 21 mas Apparent Motion : 0.8233 arcs/min @ PA = 215 deg Horizontal Parallax : 8.2960 arcs Dynamical Class : MBA Elongation to Moon & Sun : 118° (sunlit = 52%), Sun = 149° Cross-track uncertainty : 1.0 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.93 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

More Data and Informations

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.