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Stellar Occultation by (20612) 1999 RT237 on 2023-11-27 (21:21:36 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] : 40a91540-ddb4-11f0-547e-0ad8f769c14e [observed] Occultation Date + Time : 2023-11-27 at 21:21:36 UT +/- 0.02 min [1] Object Designation : (20612) 1999 RT237 Star Designation : GDR3 0666640187753883392 Star Coordinates (ICRF) : RA = 07 52 36.2184, DE = +15 13 02.847 [2] Star Magnitudes : G = 9.95 mag, RP = 9.51 mag, BP = 10.22 mag Object Magnitude : V = 18.59 mag Estimated Magnitude Drop : 8.6 mag Estimated Max. Duration : 2.2 sec Speed of the shadow : 3.8 km/s Object Mean Diameter : 8.3 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.1200 arcs/min @ PA = 297 deg Horizontal Parallax : 3.3420 arcs Dynamical Class : MBA Elongation to Moon & Sun : 47° (sunlit = 100%), Sun = 128° Cross-track uncertainty : 0.1 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.28 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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