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Stellar Occultation by (46137) 2001 FN56 on 2025-08-24 (20:49:29 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] : 512cce90-ddb7-11f0-547e-08aa7fca4baf [observed]

 Occultation Date + Time   : 2025-08-24 at 20:49:29 UT +/- 0.01 min  [1]
 Object Designation        : (46137) 2001 FN56
 Star Designation          : GDR3 4299179838591655552
 Star Coordinates (ICRF)   : RA = 20 02 07.4463, DE = +08 45 57.913  [2]
 Star Magnitudes           : G = 14.97 mag, RP = 14.44 mag, BP = 15.33 mag
 Object Magnitude          : V = 18.36 mag
 Estimated Magnitude Drop  : 3.4 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.9 km/s
 Object Mean Diameter      : 6.9 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4417 arcs/min @ PA = 217 deg
 Horizontal Parallax       : 3.9600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 3%), Sun = 141°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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