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Stellar Occultation by (143413) 2003 BF49 on 2026-09-21 (00:34:57 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] : 2fb006a0-d9b1-11f1-43f3-716bfbff3279 [observed]

 Occultation Date + Time   : 2026-09-21 at 00:34:57 UT +/- 0.12 min  [1]
 Object Designation        : (143413) 2003 BF49
 Star Designation          : GDR3 0226357562620262016
 Star Coordinates (ICRF)   : RA = 04 03 48.3764, DE = +37 58 19.432  [2]
 Star Magnitudes           : G = 8.43 mag, RP = 8.33 mag, BP = 8.46 mag
 Object Magnitude          : V = 20.26 mag
 Estimated Magnitude Drop  : 11.8 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.5 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2983 arcs/min @ PA = 25 deg
 Horizontal Parallax       : 3.3280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 134° (sunlit = 70%), Sun = 111°
 Cross-track uncertainty   : 2.7 mas = 5 km = 1.33 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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