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Stellar Occultation by (231509) 2008 RT69 on 2023-12-28 (18:14:41 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] : 4f8e1a10-ddb4-11f0-547e-7f01fff2626e [observed] Occultation Date + Time : 2023-12-28 at 18:14:41 UT +/- 0.07 min [1] Object Designation : (231509) 2008 RT69 Star Designation : GDR3 3356341196061987456 Star Coordinates (ICRF) : RA = 06 28 20.4941, DE = +13 45 57.305 [2] Star Magnitudes : G = 9.56 mag, RP = 9.29 mag, BP = 9.7 mag Object Magnitude : V = 19.78 mag Estimated Magnitude Drop : 10.2 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 16.3 km/s Object Mean Diameter : 8.0 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3450 arcs/min @ PA = 272 deg Horizontal Parallax : 2.2540 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 25° (sunlit = 97%), Sun = 170° Cross-track uncertainty : 23.3 mas = 65 km = 8.24 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#30 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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