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Stellar Occultation by (8577) Choseikomori on 2024-08-10 (20:32:44 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] : 3ce8bc70-ddb5-11f0-547e-1b74cb73def5 [observed]

 Occultation Date + Time   : 2024-08-10 at 20:32:44 UT +/- 0.01 min  [1]
 Object Designation        : (8577) Choseikomori
 Star Designation          : GDR3 2685146865502834560
 Star Coordinates (ICRF)   : RA = 21 28 53.9994, DE = -02 00 26.609  [2]
 Star Magnitudes           : G = 11.15 mag, RP = 10.68 mag, BP = 11.45 mag
 Object Magnitude          : V = 15.45 mag
 Estimated Magnitude Drop  : 4.3 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 5.6 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.5367 arcs/min @ PA = 241 deg
 Horizontal Parallax       : 10.1210 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 115° (sunlit = 33%), Sun = 167°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 0.95 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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