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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 : JPL#43 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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