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Stellar Occultation by (8517) 1992 BB5 on 2024-09-20 (22:09:40 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] : 6b8da770-ddb5-11f0-547e-00286dffa7df [observed]

 Occultation Date + Time   : 2024-09-20 at 22:09:40 UT +/- 0.0 min  [1]
 Object Designation        : (8517) 1992 BB5
 Star Designation          : GDR3 2523119224261629184
 Star Coordinates (ICRF)   : RA = 00 51 36.1767, DE = -06 15 38.543  [2]
 Star Magnitudes           : G = 13.7 mag, RP = 13.17 mag, BP = 14.06 mag
 Object Magnitude          : V = 16.74 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 8.7 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.4733 arcs/min @ PA = 240 deg
 Horizontal Parallax       : 5.1790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 32° (sunlit = 89%), Sun = 165°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL69
 Note                      : FP:true

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


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