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Stellar Occultation by (199686) 2006 HK17 on 2025-10-08 (02:08:02 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] : 873f7810-ddb8-11f0-547e-73f9ffe9f0a8 [observed] Occultation Date + Time : 2025-10-08 at 02:08:02 UT +/- 0.09 min [1] Object Designation : (199686) 2006 HK17 Star Designation : GDR3 0042236884485206400 Star Coordinates (ICRF) : RA = 03 34 32.0102, DE = +14 49 58.971 [2] Star Magnitudes : G = 13.13 mag, RP = 12.28 mag, BP = 13.89 mag Object Magnitude : V = 20.82 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 9.1 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2850 arcs/min @ PA = 271 deg Horizontal Parallax : 3.3130 arcs Dynamical Class : MBA Elongation to Moon & Sun : 28° (sunlit = 99%), Sun = 140° Cross-track uncertainty : 21.0 mas = 40 km = 13.94 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#32 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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