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Stellar Occultation by (83723) 2001 TN98 on 2023-09-17 (20:58:45 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] : 0d774f20-ddb4-11f0-547e-bda6ad7de89f [observed] Occultation Date + Time : 2023-09-17 at 20:58:45 UT +/- 0.06 min [1] Object Designation : (83723) 2001 TN98 Star Designation : GDR3 6842411836340458624 Star Coordinates (ICRF) : RA = 21 26 24.1962, DE = -14 42 07.168 [2] Star Magnitudes : G = 12.31 mag, RP = 11.76 mag, BP = 12.69 mag Object Magnitude : V = 19.76 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 7.0 km/s Object Mean Diameter : 3.6 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2617 arcs/min @ PA = 246 deg Horizontal Parallax : 3.9620 arcs Dynamical Class : MBA Elongation to Moon & Sun : 113° (sunlit = 7%), Sun = 145° Cross-track uncertainty : 3.0 mas = 4 km = 1.34 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#45 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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