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Stellar Occultation by (9104) Matsuo on 2023-12-25 (20:05:33 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] : 4d3cd710-ddb4-11f0-547e-13e499efc7df [observed]

 Occultation Date + Time   : 2023-12-25 at 20:05:33 UT +/- 0.01 min  [1]
 Object Designation        : (9104) Matsuo
 Star Designation          : GDR3 2532724592201191168
 Star Coordinates (ICRF)   : RA = 01 08 32.0530, DE = -02 03 35.997  [2]
 Star Magnitudes           : G = 8.11 mag, RP = 7.71 mag, BP = 8.35 mag
 Object Magnitude          : V = 19.38 mag
 Estimated Magnitude Drop  : 11.3 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 10.1 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3217 arcs/min @ PA = 39 deg
 Horizontal Parallax       : 3.3900 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 66° (sunlit = 99%), Sun = 101°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.14 path-width (1-sig)
 RUWE and duplicate source : 1.49 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL58
 Note                      : FP:true

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


More Data and Informations
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