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Stellar Occultation by (207) Hedda on 2024-11-09 (18:53:46 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] : a29358f0-ddb5-11f0-547e-60877edfb19e [observed]

 Occultation Date + Time   : 2024-11-09 at 18:53:46 UT +/- 0.01 min  [1]
 Object Designation        : (207) Hedda
 Star Designation          : GDR3 0077363944528337792
 Star Coordinates (ICRF)   : RA = 02 11 08.9206, DE = +14 34 54.796  [2]
 Star Magnitudes           : G = 9.1 mag, RP = 8.68 mag, BP = 9.36 mag
 Object Magnitude          : V = 13.21 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 5.7 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 58.7 km  (src: astorb) => apparent = 59 mas
 Apparent Motion           : 0.6250 arcs/min @ PA = 257 deg
 Horizontal Parallax       : 6.4050 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 71° (sunlit = 56%), Sun = 168°
 Cross-track uncertainty   : 1.4 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 3.32 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL90
 Note                      : FP:true

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


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