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Stellar Occultation by (79501) 1998 FN135 on 2023-05-31 (02:45:41 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] : a75d7610-ddb3-11f0-547e-eb59f3f9f7db [observed]

 Occultation Date + Time   : 2023-05-31 at 02:45:41 UT +/- 0.02 min  [1]
 Object Designation        : (79501) 1998 FN135
 Star Designation          : GDR3 1739037313328113280
 Star Coordinates (ICRF)   : RA = 21 26 59.1270, DE = +06 35 24.073  [2]
 Star Magnitudes           : G = 13.45 mag, RP = 12.83 mag, BP = 13.91 mag
 Object Magnitude          : V = 20.64 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 10.0 km/s
 Object Mean Diameter      : 4.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2567 arcs/min @ PA = 30 deg
 Horizontal Parallax       : 2.7220 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 124° (sunlit = 82%), Sun = 102°
 Cross-track uncertainty   : 2.0 mas = 4 km = 1.07 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#44
 Note                      : FP:true

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


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