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Stellar Occultation by (361) Bononia on 2024-08-02 (03:59:38 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] : 22320d50-ddb5-11f0-547e-1f11ffbf261a [observed]

 Occultation Date + Time   : 2024-08-02 at 03:59:38 UT +/- 0.01 min  [1]
 Object Designation        : (361) Bononia
 Star Designation          : GDR3 0162661685792044544
 Star Coordinates (ICRF)   : RA = 04 07 46.4995, DE = +26 50 30.452  [2]
 Star Magnitudes           : G = 10.78 mag, RP = 10.05 mag, BP = 11.36 mag
 Object Magnitude          : V = 14.57 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 4.7 sec
 Speed of the shadow       : 30.2 km/s
 Object Mean Diameter      : 141.7 km  (src: astorb) => apparent = 55 mas
 Apparent Motion           : 0.7033 arcs/min @ PA = 69 deg
 Horizontal Parallax       : 2.4790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 38° (sunlit = 6%), Sun = 65°
 Cross-track uncertainty   : 2.0 mas = 5 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#130
 Note                      : FP:true

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


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