Cora»OccDetail

Stellar Occultation by (3122) Florence on 2024-11-27 (20:10:14 UT)

Event Details
Occultation UUID [and db] : ab8da050-ddb5-11f0-547e-547a3fff19df [observed] Occultation Date + Time : 2024-11-27 at 20:10:14 UT +/- 0.0 min [1] Object Designation : (3122) Florence Star Designation : GDR3 1968494459353888512 Star Coordinates (ICRF) : RA = 21 08 13.7569, DE = +40 54 39.697 [2] Star Magnitudes : G = 14.53 mag, RP = 13.75 mag, BP = 15.15 mag Object Magnitude : V = 15.04 mag Estimated Magnitude Drop : 1.0 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 14.9 km/s Object Mean Diameter : 5.2 km (src: astorb) => apparent = 14 mas Apparent Motion : 2.4350 arcs/min @ PA = 54 deg Horizontal Parallax : 17.3740 arcs Dynamical Class : NEO Elongation to Moon & Sun : 115° (sunlit = 11%), Sun = 92° Cross-track uncertainty : 7.7 mas = 2 km = 0.54 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#988 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : ab8da050-ddb5-11f0-547e-547a3fff19df [observed] Occultation Date + Time : 2024-11-27 at 20:10:14 UT +/- 0.0 min [1] Object Designation : (3122) Florence Star Designation : GDR3 1968494459353888512 Star Coordinates (ICRF) : RA = 21 08 13.7569, DE = +40 54 39.697 [2] Star Magnitudes : G = 14.53 mag, RP = 13.75 mag, BP = 15.15 mag Object Magnitude : V = 15.04 mag Estimated Magnitude Drop : 1.0 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 14.9 km/s Object Mean Diameter : 5.2 km (src: astorb) => apparent = 14 mas Apparent Motion : 2.4350 arcs/min @ PA = 54 deg Horizontal Parallax : 17.3740 arcs Dynamical Class : NEO Elongation to Moon & Sun : 115° (sunlit = 11%), Sun = 92° Cross-track uncertainty : 7.7 mas = 2 km = 0.54 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#988 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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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.