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Stellar Occultation by (9325) Stonehenge on 2024-07-27 (22:12:47 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] : 1621ac50-ddb5-11f0-547e-54d6ffef9df6 [observed]

 Occultation Date + Time   : 2024-07-27 at 22:12:47 UT +/- 0.0 min  [1]
 Object Designation        : (9325) Stonehenge
 Star Designation          : GDR3 6906491687542490368
 Star Coordinates (ICRF)   : RA = 20 39 37.8546, DE = -08 25 43.009  [2]
 Star Magnitudes           : G = 12.95 mag, RP = 12.25 mag, BP = 13.5 mag
 Object Magnitude          : V = 17.24 mag
 Estimated Magnitude Drop  : 4.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 11.3 km/s
 Object Mean Diameter      : 5.9 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5933 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 5.6020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 52%), Sun = 169°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.18 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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