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Stellar Occultation by (85571) 1998 BV21 on 2024-11-07 (22:04:22 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] : 9fbd5590-ddb5-11f0-547e-e0007fdf174e [observed]

 Occultation Date + Time   : 2024-11-07 at 22:04:22 UT +/- 0.01 min  [1]
 Object Designation        : (85571) 1998 BV21
 Star Designation          : GDR3 0189377619324416256
 Star Coordinates (ICRF)   : RA = 05 39 12.7876, DE = +37 13 54.411  [2]
 Star Magnitudes           : G = 14.13 mag, RP = 13.47 mag, BP = 14.63 mag
 Object Magnitude          : V = 17.73 mag
 Estimated Magnitude Drop  : 3.6 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 7.0 km/s
 Object Mean Diameter      : 6.6 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3267 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 4.9450 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 146° (sunlit = 36%), Sun = 138°
 Cross-track uncertainty   : 1.1 mas = 1 km = 0.21 path-width (1-sig)
 RUWE and duplicate source : 2.14 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 Note                      : FP:true

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


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