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Stellar Occultation by (69) Hesperia on 2024-09-07 (23:41:36 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] : 5a662cb0-ddb5-11f0-547e-8cc6792b81c4 [observed]

 Occultation Date + Time   : 2024-09-07 at 23:41:36 UT +/- 0.01 min  [1]
 Object Designation        : (69) Hesperia
 Star Designation          : GDR3 3393812002577253504
 Star Coordinates (ICRF)   : RA = 05 13 37.1180, DE = +15 53 06.544  [2]
 Star Magnitudes           : G = 11.01 mag, RP = 10.53 mag, BP = 11.33 mag
 Object Magnitude          : V = 12.34 mag
 Estimated Magnitude Drop  : 1.6 mag
 Estimated Max. Duration   : 6.8 sec
 Speed of the shadow       : 20.4 km/s
 Object Mean Diameter      : 138.1 km  (src: astorb) => apparent = 76 mas
 Apparent Motion           : 0.6733 arcs/min @ PA = 98 deg
 Horizontal Parallax       : 3.5110 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 139° (sunlit = 20%), Sun = 87°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#156
 Note                      : FP:true

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


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