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Stellar Occultation by (68858) 2002 JW on 2025-09-16 (00:38:57 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] : 74f4f690-ddb7-11f0-547e-01e3faddb258 [observed]

 Occultation Date + Time   : 2025-09-16 at 00:38:57 UT +/- 0.0 min  [1]
 Object Designation        : (68858) 2002 JW
 Star Designation          : GDR3 3399813613781957376
 Star Coordinates (ICRF)   : RA = 05 50 52.9203, DE = +20 19 57.915  [2]
 Star Magnitudes           : G = 12.98 mag, RP = 11.85 mag, BP = 14.32 mag
 Object Magnitude          : V = 19.94 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 17.1 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4750 arcs/min @ PA = 83 deg
 Horizontal Parallax       : 2.9630 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 18° (sunlit = 33%), Sun = 86°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 1.18 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#46
 Note                      : FP:true

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


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