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Stellar Occultation by (598) Octavia on 2023-09-12 (01:00:51 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] : 3f56cbb0-ddb4-11f0-547e-838d77d367ff [observed]

 Occultation Date + Time   : 2023-09-12 at 01:00:51 UT +/- 0.0 min  [1]
 Object Designation        : (598) Octavia
 Star Designation          : GDR3 3271632896109453696
 Star Coordinates (ICRF)   : RA = 03 44 03.4591, DE = +03 35 00.897  [2]
 Star Magnitudes           : G = 8.74 mag, RP = 7.82 mag, BP = 9.64 mag
 Object Magnitude          : V = 13.24 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 9.0 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 72.3 km  (src: astorb) => apparent = 69 mas
 Apparent Motion           : 0.4600 arcs/min @ PA = 93 deg
 Horizontal Parallax       : 6.0550 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 8%), Sun = 113°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#74
 Note                      : FP:true

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


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