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Stellar Occultation by (40098) 1998 OW14 on 2025-12-29 (16:46:07 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] : 53a9c4c0-d997-11f1-43f3-c9edbb7f9541 [observed]

 Occultation Date + Time   : 2025-12-29 at 16:46:07 UT +/- 0.01 min  [1]
 Object Designation        : (40098) 1998 OW14
 Star Designation          : GDR3 0146885545061322752
 Star Coordinates (ICRF)   : RA = 04 39 13.2918, DE = +24 05 06.234  [2]
 Star Magnitudes           : G = 12.28 mag, RP = 11.54 mag, BP = 12.88 mag
 Object Magnitude          : V = 19.23 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.8 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3933 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 4.2730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 39° (sunlit = 71%), Sun = 153°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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