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Stellar Occultation by (209003) 2003 BQ20 on 2024-11-09 (20:30:18 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] : a136fd40-ddb5-11f0-547e-c164fb5cde5e [observed]

 Occultation Date + Time   : 2024-11-09 at 20:30:18 UT +/- 0.01 min  [1]
 Object Designation        : (209003) 2003 BQ20
 Star Designation          : GDR3 0160575839216338432
 Star Coordinates (ICRF)   : RA = 04 58 37.5089, DE = +32 37 51.515  [2]
 Star Magnitudes           : G = 13.01 mag, RP = 12.31 mag, BP = 13.55 mag
 Object Magnitude          : V = 20.29 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 280 deg
 Horizontal Parallax       : 3.4190 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 112° (sunlit = 57%), Sun = 150°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.69 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37
 Note                      : FP:true

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


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