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Stellar Occultation by (17663) 1996 VK30 on 2025-09-28 (17:54:00 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] : 7812e2f0-ddb8-11f0-547e-e9c4e77b0de6 [observed]

 Occultation Date + Time   : 2025-09-28 at 17:54:00 UT +/- 0.0 min  [1]
 Object Designation        : (17663) 1996 VK30
 Star Designation          : GDR3 4090135052963652736
 Star Coordinates (ICRF)   : RA = 18 24 23.7275, DE = -22 23 07.771  [2]
 Star Magnitudes           : G = 13.85 mag, RP = 13.44 mag, BP = 14.1 mag
 Object Magnitude          : V = 20.02 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.0 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4083 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 3.0910 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 15° (sunlit = 38%), Sun = 90°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 1.18 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50
 Note                      : FP:true

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


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