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Stellar Occultation by (45850) 2000 SH209 on 2025-12-17 (04:57:36 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] : dc9aaa50-ddb8-11f0-547e-9866f3ffa2fc [observed] Occultation Date + Time : 2025-12-17 at 04:57:36 UT +/- 0.01 min [1] Object Designation : (45850) 2000 SH209 Star Designation : GDR3 3167719082961437312 Star Coordinates (ICRF) : RA = 07 13 12.9803, DE = +15 41 13.190 [2] Star Magnitudes : G = 13.57 mag, RP = 12.71 mag, BP = 14.36 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 4.5 mag Estimated Max. Duration : 0.9 sec Speed of the shadow : 11.9 km/s Object Mean Diameter : 10.1 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3700 arcs/min @ PA = 284 deg Horizontal Parallax : 3.3170 arcs Dynamical Class : MBA Elongation to Moon & Sun : 125° (sunlit = 7%), Sun = 157° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#45 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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