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Stellar Occultation by (7975) 1974 FD on 2024-12-26 (00:33:08 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] : cc6b5290-ddb5-11f0-547e-5084dbff28e2 [observed]

 Occultation Date + Time   : 2024-12-26 at 00:33:08 UT +/- 0.0 min  [1]
 Object Designation        : (7975) 1974 FD
 Star Designation          : GDR3 0905518061074738816
 Star Coordinates (ICRF)   : RA = 08 02 01.7008, DE = +33 55 36.457  [2]
 Star Magnitudes           : G = 13.16 mag, RP = 12.37 mag, BP = 13.82 mag
 Object Magnitude          : V = 17.66 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 12.4 km/s
 Object Mean Diameter      : 9.4 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.4467 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 3.8460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 103° (sunlit = 22%), Sun = 155°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL64
 Note                      : FP:true

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


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