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Stellar Occultation by (174006) 2001 YT7 on 2023-09-24 (18:09:02 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] : 12d276c0-ddb4-11f0-547e-8f7aaff450f6 [observed] Occultation Date + Time : 2023-09-24 at 18:09:02 UT +/- 0.02 min [1] Object Designation : (174006) 2001 YT7 Star Designation : GDR3 2684799346813193600 Star Coordinates (ICRF) : RA = 21 26 29.4065, DE = -02 59 20.229 [2] Star Magnitudes : G = 7.79 mag, RP = 7.38 mag, BP = 8.02 mag Object Magnitude : V = 20.26 mag Estimated Magnitude Drop : 12.5 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 7.9 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2583 arcs/min @ PA = 240 deg Horizontal Parallax : 3.4730 arcs Dynamical Class : MBA Elongation to Moon & Sun : 31° (sunlit = 72%), Sun = 140° Cross-track uncertainty : 2.7 mas = 4 km = 1.42 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 1 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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