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Stellar Occultation by (119823) 2002 BB2 on 2025-10-04 (20:48:01 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] : 81906410-ddb8-11f0-547e-dd73f7d93f0f [observed]

 Occultation Date + Time   : 2025-10-04 at 20:48:01 UT +/- 0.01 min  [1]
 Object Designation        : (119823) 2002 BB2
 Star Designation          : GDR3 2446067304813407488
 Star Coordinates (ICRF)   : RA = 23 55 51.3006, DE = -05 23 30.624  [2]
 Star Magnitudes           : G = 12.13 mag, RP = 11.52 mag, BP = 12.57 mag
 Object Magnitude          : V = 19.54 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 13.4 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4817 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 3.8180 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 17° (sunlit = 93%), Sun = 164°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.57 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54
 Note                      : FP:true

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


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