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Stellar Occultation by (31762) 1999 JB104 on 2024-11-27 (21:12:49 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] : ac75b660-ddb5-11f0-547e-afb2fd6fd726 [observed]

 Occultation Date + Time   : 2024-11-27 at 21:12:49 UT +/- 0.0 min  [1]
 Object Designation        : (31762) 1999 JB104
 Star Designation          : GDR3 3378371934450391424
 Star Coordinates (ICRF)   : RA = 06 50 48.3774, DE = +21 32 50.012  [2]
 Star Magnitudes           : G = 13.55 mag, RP = 13.09 mag, BP = 13.84 mag
 Object Magnitude          : V = 17.19 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 9.3 km/s
 Object Mean Diameter      : 9.9 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.3867 arcs/min @ PA = 311 deg
 Horizontal Parallax       : 4.4330 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 107° (sunlit = 10%), Sun = 144°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL62
 Note                      : FP:true

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


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