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Stellar Occultation by (3371) Giacconi on 2024-12-29 (19:30:09 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] : d558efc0-ddb5-11f0-547e-bdf4afafa09f [observed]

 Occultation Date + Time   : 2024-12-29 at 19:30:09 UT +/- 0.0 min  [1]
 Object Designation        : (3371) Giacconi
 Star Designation          : GDR3 0866587064459065856
 Star Coordinates (ICRF)   : RA = 07 33 47.3121, DE = +23 26 32.173  [2]
 Star Magnitudes           : G = 12.32 mag, RP = 11.86 mag, BP = 12.62 mag
 Object Magnitude          : V = 16.2 mag
 Estimated Magnitude Drop  : 3.9 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 12.4 km/s
 Object Mean Diameter      : 12.0 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.5667 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 4.8530 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 1%), Sun = 167°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#73
 Note                      : FP:true

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


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