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Stellar Occultation by (5461) Autumn on 2023-08-16 (20:26:47 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] : ee3153e0-ddb3-11f0-547e-23c253ed2116 [observed]

 Occultation Date + Time   : 2023-08-16 at 20:26:47 UT +/- 0.02 min  [1]
 Object Designation        : (5461) Autumn
 Star Designation          : GDR3 4118135761489592448
 Star Coordinates (ICRF)   : RA = 17 41 19.6361, DE = -20 59 20.026  [2]
 Star Magnitudes           : G = 14.92 mag, RP = 13.71 mag, BP = 16.47 mag
 Object Magnitude          : V = 16.58 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 2.6 sec
 Speed of the shadow       : 5.4 km/s
 Object Mean Diameter      : 14.3 km  (src: astorb) => apparent = 10 mas
 Apparent Motion           : 0.2200 arcs/min @ PA = 159 deg
 Horizontal Parallax       : 4.2880 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 117° (sunlit = 0%), Sun = 122°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#70
 Note                      : FP:true

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


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