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Stellar Occultation by (68133) 2001 AQ18 on 2024-09-09 (20:54:53 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] : 5f8de840-ddb5-11f0-547e-1fd9fefd3674 [observed] Occultation Date + Time : 2024-09-09 at 20:54:53 UT +/- 0.08 min [1] Object Designation : (68133) 2001 AQ18 Star Designation : GDR3 0103768475751418112 Star Coordinates (ICRF) : RA = 02 08 51.1645, DE = +23 15 15.123 [2] Star Magnitudes : G = 11.92 mag, RP = 11.11 mag, BP = 12.61 mag Object Magnitude : V = 17.79 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 6.7 km/s Object Mean Diameter : 6.4 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3167 arcs/min @ PA = 331 deg Horizontal Parallax : 5.0600 arcs Dynamical Class : MBA Elongation to Moon & Sun : 156° (sunlit = 36%), Sun = 129° Cross-track uncertainty : 6.7 mas = 8 km = 1.32 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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