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Stellar Occultation by (103) Hera on 2024-10-27 (21:14:09 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] : a756fb80-ddb5-11f0-547e-e110eb431cc3 [observed]

 Occultation Date + Time   : 2024-10-27 at 21:14:09 UT +/- 0.01 min  [1]
 Object Designation        : (103) Hera
 Star Designation          : GDR3 3310354740702237184
 Star Coordinates (ICRF)   : RA = 04 22 57.7532, DE = +13 25 26.647  [2]
 Star Magnitudes           : G = 13.23 mag, RP = 12.3 mag, BP = 14.12 mag
 Object Magnitude          : V = 11.86 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 11.0 sec
 Speed of the shadow       : 8.3 km/s
 Object Mean Diameter      : 91.2 km  (src: astorb) => apparent = 70 mas
 Apparent Motion           : 0.3833 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 4.9110 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 99° (sunlit = 18%), Sun = 148°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#149
 Note                      : FP:true

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


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