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Stellar Occultation by (190700) 2001 FO45 on 2025-09-20 (20:21:32 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] : 7968f280-ddb7-11f0-547e-405edf7ecb13 [observed]

 Occultation Date + Time   : 2025-09-20 at 20:21:32 UT +/- 0.04 min  [1]
 Object Designation        : (190700) 2001 FO45
 Star Designation          : GDR3 0164545424087903488
 Star Coordinates (ICRF)   : RA = 04 20 23.4939, DE = +28 17 35.877  [2]
 Star Magnitudes           : G = 10.19 mag, RP = 9.24 mag, BP = 11.11 mag
 Object Magnitude          : V = 20.48 mag
 Estimated Magnitude Drop  : 10.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.1 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2217 arcs/min @ PA = 37 deg
 Horizontal Parallax       : 3.2930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 99° (sunlit = 1%), Sun = 110°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.94 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL46
 Note                      : FP:true

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


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