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Stellar Occultation by (199821) 2007 DA83 on 2024-08-27 (18:58:38 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] : 494bd150-ddb5-11f0-547e-1a49d78c5c0e [observed] Occultation Date + Time : 2024-08-27 at 18:58:38 UT +/- 0.16 min [1] Object Designation : (199821) 2007 DA83 Star Designation : GDR3 4247633492224177792 Star Coordinates (ICRF) : RA = 20 13 43.0372, DE = +04 30 58.384 [2] Star Magnitudes : G = 12.21 mag, RP = 11.5 mag, BP = 12.76 mag Object Magnitude : V = 19.44 mag Estimated Magnitude Drop : 7.2 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.1 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6067 arcs/min @ PA = 199 deg Horizontal Parallax : 4.9060 arcs Dynamical Class : MBA Elongation to Moon & Sun : 128° (sunlit = 35%), Sun = 144° Cross-track uncertainty : 22.3 mas = 28 km = 9.66 path-width (1-sig) RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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