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Stellar Occultation by (69) Hesperia on 2024-09-07 (23:41:38 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] : a52db500-c354-11ef-5276-c570f96f4d36 [observed]

 Occultation Date + Time   : 2024-09-07 at 23:41:38 UT +/- 0.01 min  [1]
 Object Designation        : (69) Hesperia
 Star Designation          : GDR3 3393812002577253504
 Star Coordinates (ICRF)   : RA = 05 13 37.1188, DE = +15 53 06.545  [2]
 Star Magnitudes           : G = 11.01 mag, RP = 10.53 mag, BP = 11.33 mag
 Object Magnitude          : V = 12.36 mag
 Estimated Magnitude Drop  : 1.6 mag
 Estimated Max. Duration   : 6.8 sec
 Object Mean Diameter      : 138 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 20.4 km/s
 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#150

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


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