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Stellar Occultation by (107725) 2001 FR25 on 2023-08-05 (21:15:55 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] : e1d60730-ddb3-11f0-547e-0644ef5fce0a [observed]

 Occultation Date + Time   : 2023-08-05 at 21:15:55 UT +/- 0.04 min  [1]
 Object Designation        : (107725) 2001 FR25
 Star Designation          : GDR3 4089969915714439040
 Star Coordinates (ICRF)   : RA = 18 27 44.6993, DE = -22 06 57.523  [2]
 Star Magnitudes           : G = 14.4 mag, RP = 13.31 mag, BP = 15.62 mag
 Object Magnitude          : V = 20.0 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 6.2 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2400 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 4.1280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 94° (sunlit = 77%), Sun = 143°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.52 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


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