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Stellar Occultation by (85408) 1996 TB55 on 2024-08-28 (21:16:19 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] : 4b1a4fc0-ddb5-11f0-547e-94b26fdd84c7 [observed]

 Occultation Date + Time   : 2024-08-28 at 21:16:19 UT +/- 0.02 min  [1]
 Object Designation        : (85408) 1996 TB55
 Star Designation          : GDR3 4231510086211784448
 Star Coordinates (ICRF)   : RA = 20 33 18.2634, DE = +01 12 19.891  [2]
 Star Magnitudes           : G = 13.03 mag, RP = 12.58 mag, BP = 13.31 mag
 Object Magnitude          : V = 18.87 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 8.6 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4500 arcs/min @ PA = 237 deg
 Horizontal Parallax       : 5.5380 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 138° (sunlit = 24%), Sun = 149°
 Cross-track uncertainty   : 2.3 mas = 2 km = 0.83 path-width (1-sig)
 RUWE and duplicate source : 1.09 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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