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Stellar Occultation by (624) Hektor on 2026-04-01 (19:45:36 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] : 098e8250-33ce-11f1-6999-d9455dd751c3 [asteroids]

 Occultation Date + Time   : 2026-04-01 at 19:45:36 UT +/- 0.03 min  [1]
 Object Designation        : (624) Hektor
 Star Designation          : GDR3 3589068122161664640
 Star Coordinates (ICRF)   : RA = 11 52 12.9770, DE = -08 01 57.145  [2]
 Star Magnitudes           : G = 14.76 mag, RP = 14.23 mag, BP = 15.12 mag
 Object Magnitude          : V = 14.25 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 6.9 sec
 Speed of the shadow       : 17.0 km/s
 Object Mean Diameter      : 117.3 km  (src: astorb) => apparent = 39 mas
 Apparent Motion           : 0.3367 arcs/min @ PA = 283 deg
 Horizontal Parallax       : 2.1050 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 9° (sunlit = 100%), Sun = 167°
 Cross-track uncertainty   : 8.3 mas = 25 km = 0.21 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#138
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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