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Stellar Occultation by (3134) Kostinsky on 2023-09-27 (17:42:59 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] : 33901de0-ddb4-11f0-547e-5a355bfc5dc2 [observed]

 Occultation Date + Time   : 2023-09-27 at 17:42:59 UT +/- 0.01 min  [1]
 Object Designation        : (3134) Kostinsky
 Star Designation          : GDR3 2765579405250769408
 Star Coordinates (ICRF)   : RA = 23 56 20.9792, DE = +10 55 07.252  [2]
 Star Magnitudes           : G = 8.28 mag, RP = 7.89 mag, BP = 8.52 mag
 Object Magnitude          : V = 15.35 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 4.0 sec
 Speed of the shadow       : 12.6 km/s
 Object Mean Diameter      : 50.0 km  (src: astorb) => apparent = 29 mas
 Apparent Motion           : 0.4350 arcs/min @ PA = 243 deg
 Horizontal Parallax       : 3.6760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 27° (sunlit = 96%), Sun = 170°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67
 Note                      : FP:true

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


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