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Stellar Occultation by (149) Medusa on 2023-09-22 (02:32:44 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] : 2cf1d864-40dd-46a4-84ad-02799663c71c [observed]

 Occultation Date + Time   : 2023-09-22 at 02:32:44 UT +/- 0.01 min  [1]
 Object Designation        : (149) Medusa
 Star Designation          : GDR3 3403978082792327296
 Star Coordinates (ICRF)   : RA = 05 27 22.3375, DE = +22 07 28.466  [2]
 Star Magnitudes           : G = 14.87 mag, RP = 14.24 mag, BP = 15.32 mag
 Object Magnitude          : V = 14.5 mag
 Estimated Magnitude Drop  : 0.6 mag
 Estimated Max. Duration   : 1.3 sec
 Object Mean Diameter      : 19.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 15.1 km/s
 Elongation to Moon & Sun  : 174° (sunlit = 43%), Sun = 96°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65

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


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