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Stellar Occultation by (185906) 2000 SF94 on 2023-08-09 (02:24:07 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] : ef0b3920-ddb3-11f0-547e-50876cfde5cf [observed]

 Occultation Date + Time   : 2023-08-09 at 02:24:07 UT +/- 0.04 min  [1]
 Object Designation        : (185906) 2000 SF94
 Star Designation          : GDR3 2679902160678403072
 Star Coordinates (ICRF)   : RA = 21 59 25.7822, DE = -00 53 34.797  [2]
 Star Magnitudes           : G = 9.82 mag, RP = 9.31 mag, BP = 10.15 mag
 Object Magnitude          : V = 19.49 mag
 Estimated Magnitude Drop  : 9.7 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 14.6 km/s
 Object Mean Diameter      : 9.7 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3083 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 2.2520 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 82° (sunlit = 43%), Sun = 161°
 Cross-track uncertainty   : 4.3 mas = 12 km = 1.26 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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