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Stellar Occultation by (12657) Bonch-Bruevich on 2024-10-15 (02:51:39 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] : 85f85970-ddb5-11f0-547e-60307cef16ae [observed]

 Occultation Date + Time   : 2024-10-15 at 02:51:39 UT +/- 0.0 min  [1]
 Object Designation        : (12657) Bonch-Bruevich
 Star Designation          : GDR3 0135357960214170880
 Star Coordinates (ICRF)   : RA = 03 02 53.3597, DE = +31 34 10.664  [2]
 Star Magnitudes           : G = 14.48 mag, RP = 13.92 mag, BP = 14.86 mag
 Object Magnitude          : V = 16.94 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 8.6 km/s
 Object Mean Diameter      : 10.1 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.3767 arcs/min @ PA = 274 deg
 Horizontal Parallax       : 4.6710 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 65° (sunlit = 92%), Sun = 147°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69
 Note                      : FP:true

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


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