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Stellar Occultation by (1659) Punkaharju on 2023-09-12 (20:03:24 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] : 0d48c510-ddb4-11f0-547e-bebbf47944d8 [observed]

 Occultation Date + Time   : 2023-09-12 at 20:03:24 UT +/- 0.0 min  [1]
 Object Designation        : (1659) Punkaharju
 Star Designation          : GDR3 2765574801045852672
 Star Coordinates (ICRF)   : RA = 23 56 57.1004, DE = +10 50 06.790  [2]
 Star Magnitudes           : G = 13.72 mag, RP = 13.08 mag, BP = 14.21 mag
 Object Magnitude          : V = 12.37 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 3.3 sec
 Speed of the shadow       : 9.6 km/s
 Object Mean Diameter      : 31.2 km  (src: astorb) => apparent = 39 mas
 Apparent Motion           : 0.7217 arcs/min @ PA = 293 deg
 Horizontal Parallax       : 8.0320 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 139° (sunlit = 4%), Sun = 163°
 Cross-track uncertainty   : 2.0 mas = 1 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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