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Stellar Occultation by (4617) Zadunaisky on 2024-07-31 (23:24:51 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] : bc49fc20-c350-11ef-5276-a1f7d9f7b854 [observed]

 Occultation Date + Time   : 2024-07-31 at 23:24:51 UT +/- 0.01 min  [1]
 Object Designation        : (4617) Zadunaisky
 Star Designation          : GDR3 4265365354914859648
 Star Coordinates (ICRF)   : RA = 18 56 06.4725, DE = -00 40 22.568  [2]
 Star Magnitudes           : G = 15.99 mag, RP = 14.84 mag, BP = 16.54 mag
 Object Magnitude          : V = 16.63 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 2.5 sec
 Object Mean Diameter      : 29.0 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.6 km/s
 Elongation to Moon & Sun  : 148° (sunlit = 13%), Sun = 148°
 Cross-track uncertainty   : 2.6 mas = 4 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 6.56 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69

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


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