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Stellar Occultation by (238349) 2004 BG111 on 2023-07-12 (21:51:22 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] : ddc97fa0-ddb3-11f0-547e-82a4c9ccfa74 [observed]

 Occultation Date + Time   : 2023-07-12 at 21:51:22 UT +/- 0.0 min  [1]
 Object Designation        : (238349) 2004 BG111
 Star Designation          : GDR3 4212251521596785024
 Star Coordinates (ICRF)   : RA = 19 16 14.6706, DE = -04 29 50.480  [2]
 Star Magnitudes           : G = 12.34 mag, RP = 11.28 mag, BP = 13.51 mag
 Object Magnitude          : V = 20.66 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 19.4 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5050 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 2.7600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 122° (sunlit = 22%), Sun = 162°
 Cross-track uncertainty   : 1.3 mas = 3 km = 0.75 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL44
 Note                      : FP:true

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


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