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Stellar Occultation by (302812) 2003 BJ63 on 2023-10-08 (21:11:52 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] : 20e7cf80-ddb4-11f0-547e-dfe2cd7fde9a [observed]

 Occultation Date + Time   : 2023-10-08 at 21:11:52 UT +/- 0.06 min  [1]
 Object Designation        : (302812) 2003 BJ63
 Star Designation          : GDR3 0334069393871380096
 Star Coordinates (ICRF)   : RA = 02 44 47.0925, DE = +38 50 37.141  [2]
 Star Magnitudes           : G = 12.56 mag, RP = 12.12 mag, BP = 12.84 mag
 Object Magnitude          : V = 21.12 mag
 Estimated Magnitude Drop  : 8.6 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.5 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3517 arcs/min @ PA = 284 deg
 Horizontal Parallax       : 2.9940 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 79° (sunlit = 29%), Sun = 139°
 Cross-track uncertainty   : 22.7 mas = 48 km = 16.12 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#30
 Note                      : FP:true

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


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