Cora»OccDetail

Stellar Occultation by (103496) 2000 AR239 on 2023-05-08 (22:25:31 UT)

Event Details
Occultation UUID [and db] : 9579b030-ddb3-11f0-547e-a0b9ff251f8a [observed] Occultation Date + Time : 2023-05-08 at 22:25:31 UT +/- 0.01 min [1] Object Designation : (103496) 2000 AR239 Star Designation : GDR3 4018614501581536640 Star Coordinates (ICRF) : RA = 11 34 30.3544, DE = +27 46 00.188 [2] Star Magnitudes : G = 11.78 mag, RP = 11.2 mag, BP = 12.15 mag Object Magnitude : V = 18.34 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 8.6 km/s Object Mean Diameter : 4.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4433 arcs/min @ PA = 150 deg Horizontal Parallax : 5.4820 arcs Dynamical Class : MBA Elongation to Moon & Sun : 107° (sunlit = 88%), Sun = 112° Cross-track uncertainty : 1.3 mas = 1 km = 0.34 path-width (1-sig) RUWE and duplicate source : 5.27 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 9579b030-ddb3-11f0-547e-a0b9ff251f8a [observed] Occultation Date + Time : 2023-05-08 at 22:25:31 UT +/- 0.01 min [1] Object Designation : (103496) 2000 AR239 Star Designation : GDR3 4018614501581536640 Star Coordinates (ICRF) : RA = 11 34 30.3544, DE = +27 46 00.188 [2] Star Magnitudes : G = 11.78 mag, RP = 11.2 mag, BP = 12.15 mag Object Magnitude : V = 18.34 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 8.6 km/s Object Mean Diameter : 4.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4433 arcs/min @ PA = 150 deg Horizontal Parallax : 5.4820 arcs Dynamical Class : MBA Elongation to Moon & Sun : 107° (sunlit = 88%), Sun = 112° Cross-track uncertainty : 1.3 mas = 1 km = 0.34 path-width (1-sig) RUWE and duplicate source : 5.27 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#50 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.