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Stellar Occultation by (394335) 2006 WN199 on 2026-09-22 (19:36:18 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] : 3ffd7510-d9b1-11f1-43f3-2ce83b6baa11 [observed]

 Occultation Date + Time   : 2026-09-22 at 19:36:18 UT +/- 0.21 min  [1]
 Object Designation        : (394335) 2006 WN199
 Star Designation          : GDR3 6785389415273191424
 Star Coordinates (ICRF)   : RA = 21 43 20.9871, DE = -30 17 19.214  [2]
 Star Magnitudes           : G = 11.7 mag, RP = 11.25 mag, BP = 11.98 mag
 Object Magnitude          : V = 20.77 mag
 Estimated Magnitude Drop  : 9.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 4.9 km/s
 Object Mean Diameter      : 1.80 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2117 arcs/min @ PA = 284 deg
 Horizontal Parallax       : 4.5790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 15° (sunlit = 85%), Sun = 136°
 Cross-track uncertainty   : 29.0 mas = 40 km = 22.44 path-width (1-sig)
 RUWE and duplicate source : 1.14 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL25
 Note                      : FP:true

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


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