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Stellar Occultation by (535021) 2014 WL509 on 2026-01-03 (06:21:29 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] : a6d57080-40a6-11f0-4ed7-313926fbc031 [cetnos]

 Occultation Date + Time   : 2026-01-03 at 06:21:29 UT +/- 4.68 min  [1]
 Object Designation        : (535021) 2014 WL509
 Star Designation          : GDR3 3848411235473617920
 Star Coordinates (ICRF)   : RA = 09 55 18.7130, DE = +03 00 58.594  [2]
 Star Magnitudes           : G = 14.21 mag, RP = 13.76 mag, BP = 14.49 mag
 Object Magnitude          : V = 22.23 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 13.1 sec
 Speed of the shadow       : 16.1 km/s
 Object Mean Diameter      : 209.6 km  (src: CORA+astorb) => apparent = 7 mas
 Apparent Motion           : 0.0333 arcs/min @ PA = 281 deg
 Horizontal Parallax       : 0.2220 arcs
 Dynamical Class           : TNO
 Elongation to Moon & Sun  : 51° (sunlit = 100%), Sun = 132°
 Cross-track uncertainty   : 77.0 mas = 2212 km = 10.55 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#11

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


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