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Stellar Occultation by (347299) 2011 OA28 on 2024-12-25 (18:28:48 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] : cd865f80-ddb5-11f0-547e-f2c83f5d5b0f [observed] Occultation Date + Time : 2024-12-25 at 18:28:48 UT +/- 0.06 min [1] Object Designation : (347299) 2011 OA28 Star Designation : GDR3 2761012308826210816 Star Coordinates (ICRF) : RA = 23 22 40.6192, DE = +08 06 08.187 [2] Star Magnitudes : G = 13.07 mag, RP = 12.39 mag, BP = 13.35 mag Object Magnitude : V = 21.27 mag Estimated Magnitude Drop : 8.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 18.8 km/s Object Mean Diameter : 6.6 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3083 arcs/min @ PA = 78 deg Horizontal Parallax : 1.7480 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 139° (sunlit = 25%), Sun = 80° Cross-track uncertainty : 16.3 mas = 59 km = 9.01 path-width (1-sig) RUWE and duplicate source : 4.51 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#22 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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