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Stellar Occultation by (116) Sirona on 2024-12-02 (02:13:36 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] : f2ecccd0-8539-11ef-78cd-ca447bef48aa [asteroids]

 Occultation Date + Time   : 2024-12-02 at 02:13:36 UT +/- 0.01 min  [1]
 Object Designation        : (116) Sirona
 Star Designation          : GDR3 3426598301153621504
 Star Coordinates (ICRF)   : RA = 06 06 52.6366, DE = +25 19 48.498  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.76 mag, BP = 13.32 mag
 Object Magnitude          : V = 11.59 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 7.6 sec
 Object Mean Diameter      : 72 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.4 km/s
 Elongation to Moon & Sun  : 168° (sunlit = 1%), Sun = 159°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#132

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


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