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Stellar Occultation by (77371) 2001 FF136 on 2025-11-05 (04:34:10 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] : abb4f710-ddb8-11f0-547e-cffafb9318f4 [observed]

 Occultation Date + Time   : 2025-11-05 at 04:34:10 UT +/- 0.03 min  [1]
 Object Designation        : (77371) 2001 FF136
 Star Designation          : GDR3 3156468467671354624
 Star Coordinates (ICRF)   : RA = 07 18 31.7151, DE = +09 49 51.021  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.18 mag, BP = 13.54 mag
 Object Magnitude          : V = 20.43 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 4.1 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1417 arcs/min @ PA = 131 deg
 Horizontal Parallax       : 3.7180 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 73° (sunlit = 100%), Sun = 113°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.17 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37
 Note                      : FP:true

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


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