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Stellar Occultation by (12046) 1997 FQ4 on 2024-12-30 (04:15:27 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] : e45d6370-ddb5-11f0-547e-6c75dd1e0ee7 [observed]

 Occultation Date + Time   : 2024-12-30 at 04:15:27 UT +/- 0.0 min  [1]
 Object Designation        : (12046) 1997 FQ4
 Star Designation          : GDR3 3626659634440636416
 Star Coordinates (ICRF)   : RA = 12 51 03.3857, DE = -09 41 54.576  [2]
 Star Magnitudes           : G = 10.66 mag, RP = 10.27 mag, BP = 10.89 mag
 Object Magnitude          : V = 18.59 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 20.5 km/s
 Object Mean Diameter      : 9.5 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5600 arcs/min @ PA = 117 deg
 Horizontal Parallax       : 2.9060 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 74° (sunlit = 1%), Sun = 83°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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


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