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Stellar Occultation by (308) Polyxo on 2024-09-05 (22:13:34 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] : 7836ed10-ddb5-11f0-547e-a57debf33f01 [observed]

 Occultation Date + Time   : 2024-09-05 at 22:13:34 UT +/- 0.01 min  [1]
 Object Designation        : (308) Polyxo
 Star Designation          : GDR3 4123179805435198592
 Star Coordinates (ICRF)   : RA = 17 37 52.6996, DE = -18 24 11.338  [2]
 Star Magnitudes           : G = 12.6 mag, RP = 11.77 mag, BP = 13.32 mag
 Object Magnitude          : V = 13.04 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 11.6 sec
 Speed of the shadow       : 12.2 km/s
 Object Mean Diameter      : 140.7 km  (src: astorb) => apparent = 86 mas
 Apparent Motion           : 0.4450 arcs/min @ PA = 103 deg
 Horizontal Parallax       : 3.8970 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 70° (sunlit = 7%), Sun = 101°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL130
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

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


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SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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