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Stellar Occultation by (28187) 1998 WP19 on 2026-09-29 (18:33:47 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] : 3a09e890-d9b2-11f1-43f3-a5b2effd5f70 [observed]

 Occultation Date + Time   : 2026-09-29 at 18:33:47 UT +/- 0.02 min  [1]
 Object Designation        : (28187) 1998 WP19
 Star Designation          : GDR3 1730442534012991360
 Star Coordinates (ICRF)   : RA = 21 03 44.8339, DE = +02 47 43.076  [2]
 Star Magnitudes           : G = 10.86 mag, RP = 9.61 mag, BP = 12.42 mag
 Object Magnitude          : V = 18.11 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 5.5 km/s
 Object Mean Diameter      : 6.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2333 arcs/min @ PA = 192 deg
 Horizontal Parallax       : 4.5400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 86° (sunlit = 88%), Sun = 130°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 Note                      : FP:true

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


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