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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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