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Stellar Occultation by (250769) 2005 SX279 on 2025-08-16 (21:59:27 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] : 44b10190-ddb7-11f0-547e-69a35fdd8b21 [observed] Occultation Date + Time : 2025-08-16 at 21:59:27 UT +/- 0.12 min [1] Object Designation : (250769) 2005 SX279 Star Designation : GDR3 4215216590901371776 Star Coordinates (ICRF) : RA = 19 26 05.3759, DE = -00 53 47.072 [2] Star Magnitudes : G = 11.96 mag, RP = 11.09 mag, BP = 12.76 mag Object Magnitude : V = 20.59 mag Estimated Magnitude Drop : 8.6 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 9.5 km/s Object Mean Diameter : 2.1 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.3900 arcs/min @ PA = 224 deg Horizontal Parallax : 4.3720 arcs Dynamical Class : MBA Elongation to Moon & Sun : 125° (sunlit = 42%), Sun = 143° Cross-track uncertainty : 18.7 mas = 27 km = 12.99 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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