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Stellar Occultation by (98779) 2000 YJ86 on 2025-12-27 (01:09:04 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] : b3e028d0-d996-11f1-43f3-ccaffecfa3ec [observed]

 Occultation Date + Time   : 2025-12-27 at 01:09:04 UT +/- 0.07 min  [1]
 Object Designation        : (98779) 2000 YJ86
 Star Designation          : GDR3 0657228441235610880
 Star Coordinates (ICRF)   : RA = 08 17 02.2062, DE = +18 28 54.392  [2]
 Star Magnitudes           : G = 12.64 mag, RP = 12.1 mag, BP = 13.02 mag
 Object Magnitude          : V = 18.78 mag
 Estimated Magnitude Drop  : 6.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 5.9 km/s
 Object Mean Diameter      : 2.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4133 arcs/min @ PA = 301 deg
 Horizontal Parallax       : 7.4800 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 126° (sunlit = 42%), Sun = 153°
 Cross-track uncertainty   : 3.7 mas = 3 km = 1.50 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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