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Stellar Occultation by (165003) 2000 BT49 on 2023-09-27 (18:47:44 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] : 1cbdfbf0-ddb4-11f0-547e-8b217fffffe4 [observed]

 Occultation Date + Time   : 2023-09-27 at 18:47:44 UT +/- 0.02 min  [1]
 Object Designation        : (165003) 2000 BT49
 Star Designation          : GDR3 6851953471264535296
 Star Coordinates (ICRF)   : RA = 20 00 45.6427, DE = -23 43 24.369  [2]
 Star Magnitudes           : G = 13.1 mag, RP = 12.36 mag, BP = 13.69 mag
 Object Magnitude          : V = 19.94 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 5.4 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2167 arcs/min @ PA = 24 deg
 Horizontal Parallax       : 4.2460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 44° (sunlit = 96%), Sun = 113°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.48 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL41
 Note                      : FP:true

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


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