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Stellar Occultation by (6613) Williamcarl on 2026-03-18 (18:43:25 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] : 0ce049c0-de79-11f0-4858-150bfaeb72e9 [asteroids]

 Occultation Date + Time   : 2026-03-18 at 18:43:25 UT +/- 0.02 min  [1]
 Object Designation        : (6613) Williamcarl
 Star Designation          : GDR3 5753150302635194880
 Star Coordinates (ICRF)   : RA = 08 23 09.1095, DE = -08 20 28.609  [2]
 Star Magnitudes           : G = 12.27 mag, RP = 11.49 mag, BP = 12.26 mag
 Object Magnitude          : V = 18.26 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 11.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3850 arcs/min @ PA = 344 deg
 Horizontal Parallax       : 2.9950 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 131° (sunlit = 0%), Sun = 127°
 Cross-track uncertainty   : 0.9 mas = 1 km = 0.17 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#66
 Note                      : FP:true

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


More Data and Informations
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